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A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES!

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Faber-Castell
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Thanks to Peter Holland in Germany for this list of known Faber and Faber-Castell Slide rules:

1/22, 1/22A, 1/27, 1/28
1/33, 1/38, 1/40, 1/41
1/44, 1/45, 1/48, 1/52
1/54, 1/54A, 1/54m, 1/60
1/61, 1/63, 1/64, 1/67
1/70, 1/71 1/75, 1/76
1/78, 1/87, 1/87A, 1/87m
1/91, 1/92, 1/94, 1/98
1/98m, 11/87k
111/22, 111/22A, 111/38
111/48, 111/54, 111/54A
111/66, 111/87, 111/87A
111/98, 12/82
152/81, 152/82
157/80, 157/87, 157/89
163/81, 167/87, 167/98b
180/082
2/31, 2/62, 2/66, 2/82
2/82N, 2/83, 2/83N, 2/84
2/84N
3/11, 3/31, 3/42
307, 308, 309, 310, 313S
314, 319, 320, 326, 327
330, 332, 338S, 339
340, 341, 342, 343, 345
347, 348, 349, 350, 351
355, 356, 357, 358, 359
360, 361, 362, 363, 364
366, 367, 368, 369, 370
371, 374, 375, 376, 377
378, 379, 380, 380N
382, 384, 385, 385N
386, 387, 388, 388N, 389
392, 394, 397, 397S, 398
4/22, 4/38, 4/54, 4/60
4/87, 4/92, 4/98, 44/98
51/22, 51/39, 51/52, 51/87
51/91, 52/22, 52/39, 52/80
52/81, 52/82, 52/91, 57/22
57/62, 57/67, 57/69, 57/74
57/86, 57/87, 57/88, 57/89
57/92, 61/60, 61/75, 61/78
61/87, 61/98, 62/82, 62/82N
62/83, 62/83N, 63/22, 63/22R
63/39, 63/39R, 63/82, 63/83
63/87, 63/87R, 63/91, 63/91R
63/98, 63/98R, 64/22, 65/22
66/39, 66/91
67/21, 67/21b, 67/22, 67/22R
67/22Rb, 67/32, 67/34, 67/38
67/38b, 67/39, 67/54, 67/54b
67/54R, 67/54Rb, 67/56, 67/56b
67/87, 67/87R, 67/87Rb, 67/91
67/91k, 67/98, 67/98R, 67/98Rb


How many do you have?

HERE is the FC catalog page that shows the various rules in a chart.


Faber-Castell Slide Rules

go right to the catalog! Skip the INTRO, Go RIGHT to the ARCHIVE!

* A. W. Faber-Castell slide rules were made mainly in Germany (plus Switzerland and Austria), and are some of the most elegant and well designed slide rules ever produced. Very early wood body rules rules have 3-digit numbers like '361'. Later, their rules were organized around specific scale groups (Darmstadt, Rietz, Commerz, Duplex, Novo-duplex, Mathema, etc.), and then implemented in several different construction styles, starting with 1/series for full size 10 inch/25cm wood, 2/series for full size 10 inch/25cm adjustable Geroplast, 3/series for 15 inch wood, 4/series for 20 inch/50cm wood, 62/series for pocket size duplex adjustable Geroplast, 63/series for fixed pocket size duplex Geroplast and so on. The first number to the left of the '/' generally indicated rule size and construction type, and the second number to the right of the '/' the specific scale set. As with other makers, the inevitable 'N' crept in to part numbers at the end to indicate 'New' versions of rules, which were often quite different visually than the originals. There were also several different types of cursors used by Faber Castell, and some rules were also made as large classroom demonstration rules.

* As a result of this over-all design style and part number format, there are often very similar Faber-Castell rules which differ only in the body design, and essentially identical rules which differ only in scale length. Some rules also featured 'addiators' on the reverse side, to allow addition and subtraction as well as conventional slide rule operations. These combination rules are quite unique, and provided exceptional computing power in an all mechanical design. Want to know how these addiators worked? Click HERE and HERE to see the original directions from Faber-Castell.

* A trademark feature of Faber-Castell Geroplast rules was the use of (generally pale green) color accent stripes on the primary scales (C+D) for quick identification. This technique was also used by Aristo (another German slide rule maker), but they used yellow as their trademark accent to match their packaging.

* While their first rules (until 1946) were of 'swiss pearwood', there was a brief period (1946-48) where beech and (1948-1950) maple were used, after that period they were made of 'special wood' (a wood composite) with laminated scale surfaces. Later Faber-Castell rules were generally made of an engineering plastic called Geroplast (appears to be a type of PVC or Cycolac), with deeply embossed and filled scales. Geroplast and the pigment used to fill the scales sometimes 'bled', resulting in a colored bloom around scale markings, or faded accent stripes if left out in sunlight. Most later rules were 'self-documenting', and had their mathematical relationships symbolically noted on the right hand side of each scale. Some had an all plastic construction, with glued end braces like the 12/series, while higher end 2/ and 62/ rules had aluminum end braces, and were fully adjustable. Here's what the catalog has to say about the various types of construction.

* Faber-Castell rules were some of the most visually striking rules ever made, and examples like the 2/83N (Novo-Duplex) are massive rules, with stunning design, and amazing color and scale accents. Compared to most North American rules, they are far more complex and have much nicer user features, including over-range scale extensions to reduce re-setting (reached below 1, usually to .8, and over 10, to 11 or 12), extra cursor marks for common tasks, self-documenting scales, color co-ordinated scales, anti-skid and anti-scratch bumpers to protect the rule and cursor, and exceptional craftsmanship. The Faber-Castell 2/83N in particular may be the finest slide rule ever made by any manufacturer.

* Rules from Faber-Castell usually had green cases and boxes, and some had an unusual zippered case that was quite attractive, and especially useful for rules with addiators, as the closed case prevented the stylus from getting lost accidentally. Some FC rules (especially from the 2/ series) also came in a very nice clear and green plastic 'presentation' case, which showed off the rule even when closed.

* Faber-Castell appears to have made rules for at least one other company, Dietzgen, to market under their own name, such as the Dietzgen 1741, 'Novo-Biplex' rule. The box for the 2/83N says that it is one of approximately 50 rules 'currently' offered by FC, so it is clear we still have a bit of work to do tracking down all of the modern models that were made.

* Thanks to Ray Hems and Bob Otnes, we now also have data on the 2/84N Mathema and the extraordinary TR1 and TR3, Faber-Castell's truly unique combination slide rule/calculators! See the end of the slide rule listing for these marvels.

TR1/TR3


* Also thanks to Ray, we now have detailed, scanned photos of the original Faber-Castell catalog pages, he was kind enough to loan us the originals to scan so everybody could enjoy them. Also thanks to my son, who spent many long hours digitizing endless catalog pages.

ARCHIVE: JUST SCROLL DOWN TO SEE EVERYTHING !down
In the descriptions, the first dimension is OVER-ALL body length, the second is SCALE length.
SLIDE RULE
INFO / SCALES
1/22, 4/22, 111/22, 111/22A
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
1/22
Disponent
'Business'
10" Mannheim Rule

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*12" / 10" Disponent 'Business' Slide Rule
Wood body rule with marked scales, blank slide reverse, and metal framed perspex cursor. Complete with two part hardboard case. Currency conversion and percetage/discount scales in black, red and green, and has inch ruler along one side, metric ruler on the other. Back has factors and formulas.

(7 Scales + 2 side rulers)
Front - A, [ B, CI, C, ] D plus inch/cm rulers
Back - [ Blank ] Factors and formulas
SLIDE RULE
INFO / SCALES
1/28
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
1/54, 4/54, 111/54, 111/54A
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell

1/54
System Darmstadt

FC 1/54 CLICK for bigger PIC!
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FC 1/54 CLICK for bigger PIC!
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12"/10" Full Size System Darmstadt Mannheim Slide Rule.
Faber's advanced Mannheim rule, widely used in Europe. This rule has a wood core, with white celluloid faces, black and red filled and engraved scales, plus 2 side cursors and scale sets. This is a very unusual design, with a complex 3-sided cursor.

Has the Rietz over-range scale extensions, plus the Pythagorean scale (P), side log scale on top, and side sine and tangent scales at the bottom. Slide reverse has 3 log log scales (ex). Scales are partially marked. Celluloid 3 line cursor. 2-part black paperboard case.

This rule has an illustrated manual on the rear (very unique presentation), and side (and inside!) cm ruler. Enjoyable to use, and lovely to look at, every surface has been used to do something useful.

(13 Scales and 2 cm rulers)
Front - K, A, [ B, CI, C, ] D, P
Back - 3 (ex) scales, plus Instructions.
To Side - cm ruler, lg.
Bottom Side - sin, tg
Inside - cm ruler
SLIDE RULE
INFO / SCALES

Faber-Castell
1/60
Basic
10" Mannheim Rule

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*12" / 10" Basic Mannheim Slide Rule
Wood body rule with unmarked scales, and perspex cursor. Complete with two part trademark green hardboard case. Rule has over-range scale extensions, CI scale in red and has inch ruler along one side, metric ruler on the other. Reversable slide has S, L and T supplemental scales, back has factors and formulas.

(8 Scales + 2 side rulers)
Front - A, [ B, CI, C, ] D plus inch/cm rulers
Back - [ S, L, T ] Factors and formulas
SLIDE RULE
INFO / SCALES
1/87 4/87, 111/87, 111/87A, 1/60
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
1/92
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
1/92
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Germany

12"/10" original 1/ series wood body Slide Rule
came complete with 2 piece green hard case. Beautiful wood body rule with inch side ruler, with 3 line cursor (has tension adjustment), two color (red/blue) scale markings, over-range scale extensions.

Very early design, no scale letters on face, trig/log scales on slide reverse with 2 back cursors, unusual side K scale and overhang cursor, and reference chart.


(11Scales and 1 ruler)
Front - LL2, A, [ B, CI, C, ] D, LL3
in ruler, and side K scale Back - [ sin/cos, log, tangent ] chart
SLIDE RULE
INFO / SCALES
1/98, 4/98, 111/98
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
2/82
* ORIGINAL Faber-Castell CATALOG PAGE
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Duplex
2/82

Late Version:
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Early Version #2:
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Early Version #1:
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Exceptional Computing Power !

*13"/10" Duplex Log Log Slide Rule
An exceptional plastic body rule, with anodized adjustable aluminum end braces, duplex 5/4-line cursor (5/3 in early version), two color (red/black) scale markings, and trademark mint green stripe on primary scales (both sides) on the later rules.

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log rule, equal to the K+E 4181-3 and Post versalog 1460, if not better. Has pythagorean scale (P), BI and CI, folded scales and dual cube scales (K, K'). This is the full size version of the 62/82. Came in both plastic display cases and leather cases, and with some scale interesting variations. Early rules do not have the green stripes at all.

(Late: 24 scales, 9 cursor lines)
Front - L, T1, T2, A, [ B, BI, CI, C, ] D, ST, S, P
Back - LL03, LL02, LL01, K [ K', C, CIF, CF, ] DF, LL1, LL2, LL3


(Early #2: 22 scales, 2 rulers, 8 cursor lines)
Front - cm, T1, T2, A, [ B, BI, CI, C, ] D, P, S, in
Back - LL03, LL02, LL01, K [ K', L, ST, CF, ] DF, LL1, LL2, LL3


(Early #1: 22 scales, 8 cursor lines)
Front - T1, T2, A, [ B, BI, CI, C, ] D, P, S
Back - LL03, LL02, LL01, K [ K', L, ST, CF, ] DF, LL1, LL2, LL3

SLIDE RULE
INFO / SCALES
2/83
* ORIGINAL Faber-Castell CATALOG PAGE
* ORIGINAL Faber-Castell CATALOG PAGE
Faber-Castell
Faber-Castell
Novo-Duplex
2/83

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Exceptional Computing Power !

12"/10" Novo-Duplex Slide Rule
Shown New, in the factory box, with clear/green display case and manual. Spectacular plastic body rule with many line cursor (with tension adjustment), two color (red/dark green) scale markings, trademark mint green accent stripes on primary scales, over-range scale extensions, expanded trig and log log scales, dual square root/square root 10x scales (w), pythagorean scale and folded scales. The rule is self documenting on right hand side for all scales. Features heavy end braces with rubber anti-skid risers (prevents cursor damage when set on a destop) This rule is an outstanding Faber-Castell rule, and is made in an even larger body size and with more capability in the 2/83N version below.

A very powerful and beautifully made log log rule, equal to the K+E 4181-3 and Post versalog 1460, if not better. Has pythagorean scale (P), CI, folded scales and dual square scales (W, W'). This is the full size version of the 62/83.
(24 Scales 10 Cursor Lines)
Front - K, T1, T2, DF [ CF, CIF, CI, C, ] D, S, ST, P
Back - LL03, LL02, LL01, W2 [ W2', L, C, W1' ] W1, LL1, LL2, LL3
Includes plastic accessory ruler/chart.

SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Novo-Duplex
Novo-Biplex
2/83N

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Exceptional Computing Power !

*14"/10" Novo-Duplex / Novo-Biplex Log Log Slide Rule
One of the nicest plastic body rules ever made, with anodized adjustable aluminum end braces, duplex 5/4-line cursor, two color (red/black) scale markings, and trademark mint green stripe on primary scales (both sides), plus additional blue stripes on the A and B scales, and massive 2 1/4" wide body. This rule also has expanded W square root scales, for both the square root of x and 10x, and raised rubber bumpers to prevent cursor scraping, and to give the rule grip on a desktop. The rule also has finger-grip areas on the slide for better movement. Body is fully alignable at the aluminum endpieces. Usually comes with a very attractive The rule was packaged in either a clear/green plastic display case or a green leather case with an accessory scale and manual.

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log rule, equal to the K+E 4181-3, Deci-lon and Post versalog 1460, if not far better. Has pythagorean scale (P), expanded square scales, folded scales and scale over-ranges. This is the full size enhanced version of the 62/83(N) pocket rule. Rule shown is from my personal collection.

Interestingly, this rule also appears under the FC label marked 'Novo-Biplex', the same designation as the rule variant produced for Dietzgen. There is no obvious difference between the rules marked with the different names, and the model numbers remained the same. There are known to be some regional differences in models, mainly with regard to scale gauge points and cursor line conversions to match metric/imperial units.

(30 scales, 11 cursor lines)
Front - T1, T2, K, A, DF, [ CF, B, CIF, CI, C, ] D, DI, S, ST, P
Back - LL03, LL02, LL01, LL00, W2 [ W2', CI, L, C, W1', ] W1, LL0, LL1, LL2, LL3

SLIDE RULE
INFO / SCALES
2/84
* ORIGINAL Faber-Castell CATALOG PAGE
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Mathema
2/84

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Exceptional Computing Power !

*13"/10" Duplex Log Log Slide Rule
An extremely complex plastic body rule , with unusual over-size multiple cursor having over 30 marks, two color (red/black) scale markings. The rule markings are unconventional, with a translation table on the rear for solution of two variables in complex formulas.


(22 dual function scales, 30+ cursor lines)
see illustrations for scale ID, as most are formulas. Many cursor lines are not visible, they are located on the sides of the cursor body.
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Mathema
2/84N

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2/84N Set, Click for bigger PIC!
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2/84N Set, Click for bigger PIC!
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Exceptional Computing Power !

*13"/10" Duplex Log Log Slide Rule
An extremely complex plastic body rule, with more conventional duplex cursor, two color (red/black) scale markings. The rule markings are designed for the solution of two variables in complex formulas. This is the later version of the original 2/84 Mathema


(24 dual function scales, complex cursor lines)
see illustrations for scale ID, as most are formulas.
SLIDE RULE
INFO / SCALES
3/11
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
4/54
Darmstadt
20" Mannheim Rule

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*22 3/4" / 21 1/2" Darmstadt Mannheim Slide Rule
Wood body rule with over-range scales, and half-magnifying perspex cursor. Complete with unusual wooden display case. Rule has over-range scale extensions, CI scale in red and has inch ruler along one side, metric ruler on the other. Reversible slide has log log scales, back has factors, instructions and formulas.


(12 Scales + 2 rulers)

Front - (ruler inches), K, A, [ B, CI, C, ] D, P, S, T
Back - [ LL1, LL2, LL3] edge- (ruler cm)
SLIDE RULE
INFO / SCALES

Faber-Castell
4/54
Darmstadt
20" Mannheim Rule

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*22 3/4" / 21 1/2" Darmstadt Mannheim Slide Rule
Early style wood body rule with over-range scales, and 5 line, 3-sided perspex cursor, for use with 2 sets of side scales.

Complete with standard 2 part green case. Rule has over-range scale extensions, CI scale in red and has cm ruler along one side edge with L scale, S and T trig scales on the other side edge. Reversible slide has 3 log log scales, back has factors, instructions and formulas. Scale functions are self-documenting on the right hand side of the rule.


(13 Scales + 1 ruler)

Top Edge - cm ruler, L
Front - K, A, [ B, CI, C, ] D, P
Back - [ LL1, LL2, LL3 ]
Bottom Edge - S, T


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SLIDE RULE
INFO / SCALES

Faber-Castell
4/87
Rietz
20" Mannheim Rule

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*22 3/4" / 21 1/2" Rietz Mannheim Slide Rule
Early style massive wood body rule with over-range scales, and 5 line, perspex cursor.

Complete with standard 2 part green case. Rule has over-range scale extensions, CI scale in red and has 50 cm ruler along one side edge, and 1:25 scale ruler on the other side edge. Reversible slide has 3 trig scales, back has factors, instructions and formulas. Scale functions are self-documenting on the right hand side of the rule. Several minor cosmetic variations exist of this rule.


(10 Scales + 2 ruler)

Top Edge - 50 cm ruler
Front - K, A, [ B, CI, C, ] D, L
Back - [ S, ST, T ]
Bottom Edge - S, T


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SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Circular
8/10

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*Circular Slide Rule
Uncommon Faber-Castell circular, plastic body rule with rotating scale and 7 line cursor, two color (red/black) scale markings, trademark mint green accent stripes on primary scales, yellow stripes on dual cycle scales, and expanded trig scales. The rule is self documenting on right hand side for all scales. An exceptionally high quality and attractive circular rule, seldom seen in North America.

The reverse has operating and scale reading instructions to clarify rule setting. Versions exist both with these instructions, and with blank backs.

(11 Scales)

Front - K, A, L, D, C, CI, D, T1, T2, S, ST
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Precision
12/82

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*12"/10" Precision Duplex Slide Rule
SHOWN NEW, complete with 2 piece green hard case and manual. Wonderful plastic body rule with many line cursor (has tension adjustment), two color (red/black) scale markings, trademark mint green accent stripes on primary scales, over-range scale extensions, expanded trig and log log scales, pythagorean scale and folded scales. The rule is self documenting on right hand side for all scales. An exceptionally high quality rule in a low cost mechanical format.

(24 Scales)
Front - K, T1, T2, DF [ CF, CIF, CI, C, ] D, S, ST, P
Back - LL03, LL02, LL01, A [ B, L, CI, C ] D, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES
52/82, 334/82
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
52/82
D-Stab
10"Duplex Rule

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*12" / 10" D-Stab Duplex Slide Rule
Beautiful rule and case, in an original Faber-Castell box. Plastic body rule with trademark green accent stripes on fundamental scales, and multi-line cursor. Complete with instructions and two part hard case. Rule face is self-documenting, with scale functions listed, as well as scale letters.

(21 Scales !!)
Front - T1, T2, DF, [ CF, CIF, CI, C, ] D, S, ST, P
Back - L, K, A [ B, CI, C, ] D, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES
57/22, 315/22, 334/22
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
57/74
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
57/86, 334/86
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
57/86
Columbus

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Germany

12"/10" plastic body body student Slide Rule
Came complete with 2 piece gray hard case, and factory manual. This rule is a nice student rule, very simple with a metric ruler and graphical instructions on the reverse, and self documenting scales and three line cursor.


(4 Scales and 1 ruler)
Front - A, [ B, C, ] D
cm ruler Back - instructions
SLIDE RULE
INFO / SCALES
57/87, 334/87, 315/87
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
57/87
10" Mannheim Rule

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*This 12"/10" Mannheim rule from Faber-Castell features their unique trademark "mint-green" accent stripes on the slide and body to align the A+B and C+D scales. The CI scale marks are in red. This rule has 5 hairlines on the cursor, an inch ruler along one side, S, T, ST scales and secondary cursors on the reverse, and a table of equivalence settings for conversions on the back.

(10 Scales + Ruler)
Front - K, A, [ B, CI, C ] D, L
Back - [ S, ST, T ] + Equiv. chart

SLIDE RULE
INFO / SCALES
57/88, 334/88
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
57/88
Rietz-N

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12"/10" Full Size Rietz Slide Rule.
Faber's classic Rietz rule in a late production version, with an all plastic body, has green accent stripes on base scales, side cm ruler and enhanced trig scales.

Black/Red scales are self documenting on the right hand side. 5 line cursor. This rule has the late 2-part green/ivory plastic case, back is blank.

(11 Scales 5 line cursor and 1 ruler)
Front - K, A, [ B, L, CI, C, ] D, S, ST, T1, T2
Back - blank

SLIDE RULE
INFO / SCALES
57/89, 315/89, 334/89
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
57/92
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
57/92
Student's
10" Mannheim Rule

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*12" / 10" Student's Mannheim Slide Rule
Plastic body rule with trademark green accent stripes on fundamental scales, and multi-line cursor. Complete with instructions and two part gray plastic hard case. Rule face is self-documenting, with scale functions listed, as well as scale letters, and has inch ruler along one side. Unusual for a simple rule, it has 2 log log scales. Reversable slide has S, L and T supplemental scales.

(10 Scales + side ruler)
Front - LL2, A, [ B, CI, C, ] D, LL3 plus inch ruler
Back - [ S, L, T ]
SLIDE RULE
INFO / SCALES
62/82
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Duplex
62/82

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*6"/5" Duplex Log Log Pocket Slide Rule
A wonderful plastic body rule, with anodized adjustable aluminum end braces, duplex 5/4-line cursor, two color (red/black) scale markings, and trademark mint green stripe on primary scales (both sides).

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log pocket rule, equal to the K+E 4181-1 and Post versalog 1461, if not better. Has pythagorean scale (P), BI and CI, folded scales and dual cube scales (K, K'). This is the pocket version of the full size 2/82.

(24 scales, 9 cursor lines)
Front - L, T1, T2, A, [ B, BI, CI, C, ] D, ST, S, P
Back - LL03, LL02, LL01, K [ K', C, CIF, CF, ] DF, LL1, LL2, LL3

SLIDE RULE
INFO / SCALES
62/83
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Novo-Duplex
62/83

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*6"/5" Novo-Duplex Log Log Slide Rule
One of the nicest pocket plastic body rules ever made, with anodized adjustable aluminum end braces, duplex 5/4-line cursor, two color (red/black) scale markings, and trademark mint green stripe on primary scales (both sides). This rule also has expanded W square root scales, for both the square root of x and 10x.

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log rule, equal to the K+E 4181-1, Deci-lon and Post versalog 1461, if not better. Has pythagorean scale (P), folded scales. This is the pocket sized version of the 2/83.


CLICK CLICK HERE to see all 3 6x/83 SCALE VARIATIONS TOGETHER for comparison. CLICK HERE's the OTHER SIDES.

(24 scales, 11 cursor lines)
Front - K, T1, T2, DF, [ CF, CIF, CI, C, ] D, S, ST, P
Back - LL03, LL02, LL01, W2 [ W2', L, C, W1', ] W1, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Novo-Duplex
62/83N

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*6"/5" Novo-Duplex Log Log Slide Rule
One of the nicest pocket plastic body/brace rules ever made, in its final form from Faber-Castell, with duplex 5/4-major line cursor, two color (red/black) scale markings, and pale blue and mint green stripe on primary scales (both sides). This rule also has expanded W square root scales, for both the square root of x and 10x, plus the P pythagrean scale and DI.

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log rule, equal to the K+E 4181-1, Deci-lon and Post versalog 1461, if not better. Has folded scales, scale extensions, and an amazing 8 log log scales! This is the pocket sized version of the dynamite 2/83N. A truly incredible pocket rule.


CLICK CLICK HERE to see all 3 6x/83 SCALE VARIATIONS TOGETHER for comparison. CLICK HERE's the OTHER SIDES.

(30 scales! 13 cursor lines)
Front - T1, T2, K, A, DF, [ CF, B, CIF, CI, C, ] D, DI, S, ST, P
Back - LL03, LL02, LL01, LL00, W2 [ W2', CI, L, C, W1', ] W1, LL0, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES

Faber-Castell
Faber-Castell
Duplex
63/82

63-82, Click for bigger PIC!
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6"/5" Duplex Log Log Pocket Slide Rule
came complete in factory box with black leather case, and manual. A wonderful plastic body rule, very late production. Has duplex 5/4-line cursor, two color (red/black) scale markings, red end braces and pale red stripe on primary scales (both sides).

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log pocket rule, equal to the K+E 4181-1 and Post versalog 1461, if not better. Has pythagorean scale (P), BI and CI, folded scales and dual cube scales (K, K').

Very late rules, in the last production variation of the 62/82 style, a more compact and lightweight version, very attractive, with gripper extensions on the slide.


(24 scales! 9 cursor lines!)
Front - L, T1, T2, A, [ B, BI, CI, C, ] D, ST, S, P
Back - LL03, LL02, LL01, K [ K', C, CIF, CF, ] DF, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES

Faber-Castell
Faber-Castell
Duplex
63/83

63-83, Click for bigger PIC!
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6"/5" Duplex Log Log Pocket Slide Rule
came complete in factory box with black leather case, and manual. A wonderful and highly advanced plastic body rule, very late production. With duplex 6/4-line cursor, two color (red/black) scale markings, red end braces and pale red stripe on primary scales (both sides).

Rule is self documenting on right hand side for all scales. A very powerful and beautifully made log log pocket rule, equal to the K+E 4181-1 and Post versalog 1461, if not better. Has pythagorean scale (P), CI, folded scales and dual square root (W1) and square root 10x (W2).

Very late production rules, in the last production variation of the 62/83 style, a more compact and lightweight version, very attractive, with gripper extensions on the slide.


CLICK CLICK HERE to see all 3 6x/83 SCALE VARIATIONS TOGETHER for comparison. CLICK HERE's the OTHER SIDES.

(24 scales! 10 cursor lines!)
Front - K, T1, T2, DF, [ CF, CIF, CI, C, ] D, S, ST, P
Back - LL03, LL02, LL01, W2 [ W2', L, C, W1', ] W1, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES
67/22, 67/22R
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Business
67/22


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*6"/5" Business Pocket Slide Rule
Complete in factory box with green leather case, and manual. Plastic body rule with slighlty magnifying cursor, three color (red/black/green) scale markings, and inch side ruler. Rule is self documenting on right hand side for all scales. Special business scales for interest mark up, time, currency, plus regular functions. A very useful rule for quick business calculations or currency conversion while you travel.

(8 Scales + 1 rulers)
Front - (inches), %, DF(P/Int), [ CF(Days), CI(R%), C(Days), ] D(Int)
Back - [ sh/d, Pounds]
SLIDE RULE
INFO / SCALES
67/54b, 67/54R
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Darmstadt
67/54b

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*6"/5" Darmstadt Pocket Slide Rule
Complete in factory box with textured green vinyl case, and manual. Plastic body rule with slightly magnifying 5-line cursor, two color (red/black) scale markings, and inch side ruler, back metric ruler, reversible slide has LL1, LL2, LL3 scales and back cursor lines.

Rule is self documenting on right hand side for all scales. A powerful and very popular pocket rule, also produced with an Addiator on the reverse.

(13 Scales + 2 rulers)
Front - (ruler inches), L, K, A, [ B, CI, C, ] D, P, S, T
Back - [ LL1, LL2, LL3] (ruler cm)
SLIDE RULE
INFO / SCALES

This rule can ADD!

Faber-Castell
67/54Rb
Darmstadt/Addiator
5" Pocket Rule


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*5" Darmstadt Slide Rule w/Addiator on Reverse
Beautiful, advanced pocket rule with mechanical adding machine, stylus, and zippered dark green leather case, all in an original Faber-Castell box. Plastic body rule with side inch ruler, and multi-line cursor. Complete with instructions. Rule face is self-documenting, with scale functions listed, as well as scale letters.
VERY UNUSUAL RULE, seldom seen in any condition.

(13 Scales plus ruler, addiator on reverse)
Front - L, K, A,[ B, CI, C, ] D, P, S, T
Reverse - LL1, LL2, LL3
Back - Addiator
Side - Inch Ruler


Factory Wrapped CLICK FOR BIGGER PIC!
SLIDE RULE
INFO / SCALES
67/87, 67/87R, 67/39, 67/91
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Rietz
67/87

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*6"/5" Rietz Pocket Slide Rule
Complete in factory box with green leather case, and manual. Plastic body rule with slighlty magnifying 5-line cursor, two color (red/black) scale markings, and inch side ruler, reversible slide has S, ST, and T scales. Rule is self documenting on right hand side for all scales.

(10 Scales + 1 ruler)
Front - (inches), K, A, [ B, CI, C, ] D, L
Back - [ S, ST, T]
SLIDE RULE
INFO / SCALES
This rule can ADD!


Faber-Castell
67/87Rb
Rietz/Addiator
5" Pocket Rule

Rule and Case, Click for bigger PIC!
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Addiator and stylus, Click for bigger PIC!
Addiator and stylus, CLICK for BIGGER PIC

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*5" Rietz Slide Rule w/Addiator on Reverse
Beautiful, advanced pocket rule with mechanical adding machine, stylus, and zippered dark green leather case. Plastic body rule with side inch ruler, and multi-line cursor. Rule face is self-documenting, with scale functions listed, as well as scale letters.
VERY UNUSUAL RULE, seldom seen in any condition.

(10 Scales plus ruler, addiator on reverse)
Front - L, K, A,[ B, CI, C, ] D, S, ST, T
Back - Addiator
Side - Inch Ruler
SLIDE RULE
INFO / SCALES
67/98b, 67/98R
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Elektro
67/98b

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*6"/5" Elektro Pocket Slide Rule
Complete in factory box with green leather case, and manual. Plastic body rule with slighlty magnifying 5-line cursor, two color (red/black) scale markings, and inch side ruler, reversible slide has S, L, and T scales. Rule is self documenting on right hand side for all scales. Special electrical scales for voltage and motor/dynamo, plus regular functions.

(12 Scales + 1 ruler)
Front - (inches), LL2, A, [ B, CI, C, ] D, LL3, Motor/dynamo, Volt
Back - [ S, L, T]
SLIDE RULE
INFO / SCALES
111/38, 4/38, 67/38b
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES


Faber-Castell
111/38
Stadia
10" Mannheim Rule

*10" Stadia Slide Rule
Advanced desk rule for surveying calculations. Plastic body rule with side inch ruler, and graphical setup instructions on reverse. Rule face is self-documenting, with scale functions listed, as well as scale letters.

(13 Scales plus ruler, directions on reverse)
Front - L, A,[ B, CI, C, ] D, P, S, T
Back - [ 1-cos2, sin, cos, cos2 ] Directions
Side - Inch Ruler
SLIDE RULE
INFO / SCALES
111/48
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell

111/54
System Darmstadt


FC 111/54 CLICK for bigger PIC!
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12"/10" Full Size late production System Darmstadt Mannheim Slide Rule.
Faber's advanced Mannheim rule, widely used in Europe. This rule has a plastic body, with fine black and red filled and engraved scales, plus 1 side cursor and scale (L). Shown with the late 5 line cursor installed. This is a very nice design, with a 2-sided cursor.

Has the Rietz over-range scale extensions, plus the Pythagorean scale (P), side log scale on the bottom edge. Slide reverse has 3 log log scales (ex), and two rear cursor windows. Scales are partially marked.

This rule has an illustrated manual on the rear (very unique presentation), and side cm ruler. Enjoyable to use, and lovely to look at, every surface has been used to do something useful. Has a 2-part late production green hardboard, rounded storage case.

(13 Scales and cm ruler)
Front - K, A, [ B, CI, C, ] D, P sin, tg
Back - 3 (ex) scales, plus Instructions.
Top Side - cm ruler
Bottom Side - log
SLIDE RULE
INFO / SCALES
111/66
* ORIGINAL Faber-Castell CATALOG PAGE
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
This rule can ADD!


Faber-Castell
111/87A
Rietz/Addiator
10" Mannheim Rule

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*10" Rietz Slide Rule w/Addiator on Reverse
Beautiful, advanced desk rule with mechanical adding machine, addiator stylus, and zippered dark green leatherette case. Plastic body rule with side inch ruler, and multi-line cursor. Rule face is self-documenting, with scale functions listed, as well as scale letters.

(10 Scales plus ruler, addiator on reverse)
Front - L, K, A,[ B, CI, C, ] D, S, ST, T
Back - Addiator
Side - Inch Ruler
SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Elektro
111/98


Click images below for more detail:
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Edge K scale, CLICK FOR BIGGER PIC!
*12"/10" Elektro Slide Rule
Plastic body rule with slightly magnifying 5-line cursor, two color (red/black) scale markings, and inch side ruler, reversible slide has S, L, and T scales, and rear cursor window. Rule is self documenting on right hand side for all scales. Special electrical scales for voltage and motor/dynamo, plus regular functions. An unusual rule, with electrical scales, and a very odd edge K (cube) scale.

(13 Scales + 1 ruler)
Front - (inches), LL2, A, [ B, CI, C, ] D, LL3, Motor/dynamo, Volt
Back - [ S, L, T] Formulas and data.
Edge - K

SLIDE RULE
INFO / SCALES
Faber-Castell
Faber-Castell
Duplo
152/82

152/82 Click for bigger PIC
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Germany

12"/10" Student Duplo Duplex Slide Rule
came complete with 2 piece ivory hard case and manual. Wonderful plastic body rule with many line cursor (has tension adjustment), two color (red/black) scale markings, unusual PINK accent stripes on primary scales, over-range scale extensions, expanded trig and log log scales, Pythagorean scale and folded scales. The rule is self documenting on right hand side for all scales. An exceptionally high quality rule, essentially a /82 scale rule in a low cost format.


(21 Scales!)
Front - T1, T2, DF [ CF, CIF, CI, C, ] D, S, ST, P
Back - L, K, A [ B, CI, C, ] D, LL1, LL2, LL3
SLIDE RULE
INFO / SCALES

Faber-Castell
157/80
Mentor-Fix
10" Mannheim Rule

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*12" / 10" Mentor-Fix format Mannheim Slide Rule
Simple rule and manual, in an original Faber-Castell vinyl view case. Plastic body rule with side inch ruler, and multi-line cursor, with powerful folded scale arrangement. Rule face is self-documenting, with scale functions listed, as well as scale letters. Reverse has graphic illustrations for operation.

(8 Scales + side ruler)
Front - A, DF, [ CF, CIF, CI, C, ] D, K plus inch ruler
Back - Graphic Instructions
SLIDE RULE
INFO / SCALES

Faber-Castell
157/87
Rietz
10" Mannheim Rule

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*12" / 10" Rietz format Mannheim Slide Rule
Simple rule and manual, in an original Faber-Castell vinyl view case. Plastic body rule with reversible slide, side metric ruler, and multi-line cursor. Rule face is self-documenting, with scale functions listed, as well as scale letters. Reversable slide has S, ST and T supplemental scales.

(10 Scales + side ruler)
Front - K, A, [ B, CI, C, ] D, L plus metric ruler
Back - [ S, ST, T ]
SLIDE RULE
INFO / SCALES
991
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES
Geropur
* ORIGINAL Faber-Castell CATALOG PAGE
SLIDE RULE
INFO / SCALES

Faber-Castell
Geropur
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*Ever wonder how you were supposed to clean plastic faced rules, like the Geroplast body rules from Faber-Castell? Well, this is the stuff, diect from the factory in little glass bottles. Shake before using.
SLIDE RULE
INFO / SCALES

This rule can ADD, do trig functions and logs with 9 digit electronic precision!

FC
Faber-Castell
TR1 TR3
Calculator
Slide Rules

TR1 TR3 calculator Portion-Click for bigger pic!
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Rule portion, Click for bigger pic!
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*TR1 and TR3 Electronic Slide Rules
LED style calculator (9 digits) in regular and advanced function formats with a log-log slide rule on the reverse face. Used rechargable batteries, and had a companion AC adaptor unit, no doubt required due to the LED display.

A larger format pocket size rule design.

(14 Scales + 9 digit electronic calculator)
Front - LL03, LL02, LL01, K, A, [ B, BI, CI, C, ] D, L, LL1, LL2, LL3
Back - 9 digit calculator

SLIDE RULE
INFO / SCALES

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