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Dietzgen
The Eugene DIETZGEN Company










Dietzgen







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


* The Eugene Dietzgen Co. supplied slide rules in the USA and elsewhere under its brand name, and also (like K&E) supplied many other drafting and drawing supplies, papers and tools. The main factory and head office was in Chicago, Illinois, and branch offices were in New York, San Francisco, New Orleans, Pittsburgh and Los Angeles. Dietzgen also supplied numerous rules made by Faber-Castell in Germany under the Dietzgen label in the USA.


* These rules closely resemble K+E products, and can be easily mistaken for them, especially some early Mannheim and duplex rules. It is common for a collector to find some of these older rules in cases by the other maker, or with cursors from the other maker, due to physical similarities. Dietzgen rules were generally made on a mahogany core with white celluloid scale overlays, and engraved and filled scales, some all celluloid and plastic rules were also made, as well as a few token aluminum and bamboo rules, re-branded from other manufacturers. Dietzgen made several rules with some unique names, such as the MANIPHASE rule, which is a Mannheim rule with a "K" scale and "CI" scale added. They also made a PHILLIPS rule, which is a Mannheim rule with a reciprocal A/B scale added, called an "R" scale, and what other manufacturers call a "K" scale (cube scale), but which Dietzgen called an "E"scale, which is read against the C/D scales.


* Interestingly, Dietzgen survived the North American shake out in the drafting/slide rule business, and is still in business today, specializing in drafting, copy and diazo papers and film. They have no data, rules, parts or other slide rule materials, but you can see them here:

CLICK to visit Dietzgen




* Notes: Sizes are given as the SCALE LENGTH, not the over-all size of the rule itself.

* Most earlier rules are made of mahogany, with celluloid scales. Later rules included some plastic rules made in the USA, and some Geroplast rules made by Faber-Castell in Germany. There are also several Dietzgen marked aluminum rules of unknown origin.

The 1734 Microglide rule is the most famous Dietzgen rule, and incorporates a novel teflon slide bearing for smoother action. It was their main competitive offering against the K+E 4081-3 and POST 1460 Versalog. The orange/yellow box was the trademark of Dietzgen in later years for both slide rules and drafting instruments.

The ARCHIVE will appear below shortly!

ARCHIVE: JUST SCROLL DOWN TO SEE EVERYTHING !down
Dietzgen
DIETZGEN Microglide

1734 Microglide
CLICK for bigger PIC!
Dietzgen Microglide Information, CLICK for bigger PIC!
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Dietzgen Microglide Information, CLICK for bigger PIC!


DIETZGEN
Model Number
Slide Rule Type Size,
Core Material
Scales
Features
IMAGE
LINKS
(Browser Back to Return)
No.
1725

Made in USA
Vector Type
Log Log
10"

Mahogany

LL01, LL02, LL03, DF, [ CF, CIF, L, CI, C, ] D, LL3, LL2, LL1

TH, Sh2, Sh1, A, [ B, T, T, ST, S, ] D, DI, K

simple duplex indicator

leather case

slide spacer under cursor glass, inlaid wood edges.
CLICK for bigger 1725 Pic!

CLICK for bigger 1725 Pic!
No.
B-1725

Made in Japan
Vector Type
Log Log
10"

Bamboo

LL01, LL02, LL03, DF, [ CF, CIF, L, CI, C, ] D, LL3, LL2, LL1

TH, Sh2, Sh1, A, [ B, T, T, ST, S, ] D, DI, K

simple duplex indicator

leather case

CLICK for bigger B-1725 Pic!

CLICK for bigger B-1725 Pic!
No.1732
Made in USA
10"

Mahogany

full scale data to come

leather case

CLICK for bigger 1732 Pic!
No.1734
Made in USA
Microglide
(decial trig type log log)
10"

Mahogany

LL01, K, A, [ B, T, T, ST, ST, S, ] D, DI, LL1

LL02, LL03, DF, [ CF, CIF, L, CI, C, ] D, LL3, LL2

simple duplex indicator

leather case

teflon slide bearings, slide spacer under cursor glass, inlaid wood edges, competition for the Versalog and 4081-3.
CLICK for bigger 1734 Pic!

CLICK for bigger 1734 Pic!
No.1738
Made in Germany
Multiphase
Style-M
(improved decimal trig log log rule)
10"

Aluminum

LL01, K, A, [ B, T, T, ST, ST, S, ] D, DI, LL1

LL02, LL03, DF, [ CF, CIF, L, CI, C, ] D, LL3, LL2

simple duplex indicator

leather case

CLICK for bigger 1738 Pic!

CLICK for bigger 1738 Pic!
No.1738P Phillips
Mannheim
8"

Mahogany

E, A, [ B, R, C, ] D, & [ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1738L Phillips
Mannheim
8"

Mahogany

E, A, [ B, R, C, ] D, & [ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1740P Phillips
Mannheim
10"

Mahogany

E, A, [ B, R, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1740L Phillips
Mannheim
10"

Mahogany

E, A, [ B, R, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1740M Phillips
Mannheim
10"

Mahogany

E, A, [ B, R, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, magnifier indicator

leather case

DIETZGEN
No.1741
Made in Germany
Novo
Biplex
10"

Geroplast

LL03, LL02, LL01, W2 [ W2', L, C, W1' ] W1, LL1, LL2, LL3

K, T1, T2, DF, [ CF, CIF, CI, C, ] D, S, ST, P

10 line duplex cursor

clear display case, accessory ruler

A cosmetic variation of a Faber-Castell 2/82 rule, but has blue accent stripes instead of green.

CLICK for bigger 1741 Pic!

CLICK for bigger 1741 Pic!
No.1742P Phillips
Mannheim
20"

Mahogany

E, A, [ B, R, C, ] D, & [ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1742L Phillips
Mannheim
20"

Mahogany

E, A, [ B, R, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1744
Made in USA
Polymath
Multiplex
10"

Mahogany

K, A, [ B, T, ST, S, ] D, DI

DF, [ CF, CIF, CI, C, ] D, L

simple duplex indicator

leather case

CLICK for bigger 1744 Pic!

CLICK for bigger 1744 Pic!
No.1746
Made in USA
Maniphase
Multiplex
10"

Mahogany

A, [ B, T, ST, S, D, ] K

DF, [ CF, CIF, CI, C, ] D, L

simple duplex indicator

leather case, accessory ruler

CLICK for bigger 1746 Pic!

CLICK for bigger 1746 Pic!

CLICK for bigger 1746 accessory ruler Pic!

CLICK for bigger 1746 accessory ruler Pic!
No.1748P Maniphase
Mannheim
8"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1748L Maniphase
Mannheim
8"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1750P Maniphase
Mannheim
10"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1750L Maniphase
Mannheim
10"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1750M Maniphase
Mannheim
10"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, magnifier indicator

leather case

DIETZGEN
No.1752P Maniphase
Mannheim
20"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1752L Maniphase
Mannheim
20"

Mahogany

K, A, [ B, CI, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1755P Mannheim 5"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1755L Mannheim 5"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1758P Mannheim 8"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1758L Mannheim 8"

Mahogany

A, [ B, C, ] D [ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1760P Mannheim 10"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1760L Mannheim 10"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1760M Mannheim 10"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, magnifier indicator

leather case

DIETZGEN
No.1762P Mannheim 20"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

hard case

DIETZGEN
No.1762L Mannheim 20"

Mahogany

A, [ B, C, ] D

[ S, L, T on reverse of slide ], formulas on reverse of body,
inch & cm rulers, simple indicator

leather case

DIETZGEN
No.1764M Pocket
Mannheim
5"

Metal

K, A, [ B, C, ] CI, D

[ S, L, T on reverse of slide ],
inch ruler, simple indicator

soft leather sheath

DIETZGEN
No.1765F Pocket
Mannheim
5"

Celluloid

A, [ B, C, ] D

[ S, L, T on reverse of slide ],
inch ruler, simple indicator

soft leather sheath

DIETZGEN
No.1765P Pocket
Mannheim
5"

Boxwood

K, A, [ B, C, CI, ] D,

[ S, L, T on reverse of slide ],
inch ruler, simple indicator

soft leather sheath

DIETZGEN
No.1768P
Made in Japan
Maniphase 10"

Plastic

K, S, A, [ B, CI, C, ] D, T, L

blank on reverse

simple indicator

no case (bag only)

contrasting green slide

CLICK for bigger 1768P Pic!
No.1770P Union
Mannheim
10"

Celluloid

A, [ B, C, ] D

simple indicator

plain case

DIETZGEN
No.1771
Made in USA
Redirule 5"

Plastic

(5 inch) A, [ B, CI, C, ] D, K (12.5 cm)

blank on reverse, 2 side rulers

simple indicator

leather slip case

CLICK for bigger 1771 Pic!
No.1773
Made in Germany
Log Log Pocket Rule
System Darmstadt
5"

Plastic

(inch) L, K, A, [ B, CI, C, ] D, P, S, T

(cm) [ LL1, LL2, LL3 ]

5 line simplex indicator, with 2 body cursors lines on reverse.

maroon leather slip case

Rule is a German Faber-Castell rule sold through Dietzgen.

1773 Box

CLICK for bigger PIC!
Click for Bigger PIC!

CLICK for bigger PIC!
Click for Bigger PIC!
No.1772A Pocket Rule 5"

Plastic

K, A, [ B, CI, C, ] D, L

blank on reverse

simple indicator

leather slip case

CLICK for bigger 1772A Pic!
No.1776
Made in USA
Redirule 5"

Plastic

K, A, [ B, T, ST, S, ] D, DI

DF, [ CF, CIF, CI, C, ] D, L

simple duplex indicator

leather pocket clip case

Often made as a corporate promotional rule with custom imprinting on the rule and or case.

CLICK for bigger 1776 Pic!

CLICK for bigger 1776 Pic!
No.1778
Made in Germany
Redi-Log 5"

Geroplast

L, T1, T2, A, [ B, BI, CI, C, ] D, ST, S, P

LL03, LL02, LL01, K, [ K', C, CIF, CF, ] DF, LL1, LL2, LL3
9 line cursor

red leatherette pocket case

A cosmetic variation of a Faber-Castell 2/82 rule, but has blue accent stripes instead of green.

CLICK for bigger 1778 Pic!

CLICK for bigger 1778 Pic!
No.1779
Made in Germany
Pocket Log 5"

Aluminum

K, A, [ B, Lg, C, ] LL3, LL2, LL1,

Sin, Tg, DF, [ CF, CI, C ] D, P
6 line cursor
leather pocket case

Various cosmetic variations, colored (green) slide, cursor lines, etc.
CLICK for bigger 1779 Pic!

CLICK for bigger 1779 Pic!

CLICK for bigger 1779 Pic!

CLICK for bigger 1779 Pic!



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