USD $195
A very early example of this laminated wood body rule from Faber Castell, featuring a metric ruler on the upper edge, 1:25 drafting reference sacle on the lower edge, and reference data on the reverse side (in German). Black and red scale markings that are self-documenting on the right side, and a 3 line glass cursor.
Rule and case are in excellent condition considering age.
(10 scales, 3 cursor lines, 2 rulers)
Front – K, A, [B, CI, C] D, L
Back – [S, ST, T] Reference data (in German)
Stock: 1
USD $95
12″/10″ Full Size late production System Darmstadt Mannheim Slide Rule.
Faber’s advanced Mannheim rule. This rule has a plastic body, with fine black and red filled and engraved scales, a 5 line cursor, Rietz over-range scale extensions, and self-documenting scales on the right side. This rule has formulas and handy constants on the rear, and side cm ruler.
Both rule and case are in very good condition, and the original English instruction manual is included.
(12 Scales, 5 cursor lines, cm ruler)
Front – K, A [B, CI, C] D, P, S, T
Back – [LL1, LL2, LL3] + Formulas and reference data
Stock: 1
USD $35
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. 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.
Top Side – cm ruler, lg.
Bottom Side – sin, tg
Inside – cm ruler
Stock: 1
USD $35
An early Faber Castell simplex rule with a cursor that reads out on scales on the lower edge of the rule. Commerce/Business rules were not very common in North America, but were widely used in Europe. Features a metric ruler along the top edge, a £/$ conversion scale with cursor along the lower edge, with black and red scale markings. This rule has signs of wear and discoloration
Front – unit conversions, currency conversion (lower edge) 6 scales
Back – Instructions (German), 3 scales
Stock: 1
USD $250
10″, Engineering Versalog Slide Rule
Originally made by Sun/Hemmi, laminated bamboo construction with black and red engraved scales, self lubricating design.
Wears very well, and slides smoothly under all conditions. This is the classic high end slide rule from POST.
(23 Scales)
Front: LL0, LL/0, K, DF [CF, CIF, CI, C] D, R1, R2, L
Back: LL/1, LL/2, LL/3 [T, ST, S, C] D, LL3, LL2, LL1
Stock: 2
USD $95
Hemmi 251 Bamboo Full Size Slide Rule in excellent condition, includes the original two-part plastic case. Rule features black and red scale markings and asjutable metal end braces.
(18 scales)
Front – K, A [B, T, ST, C] D, LL3, LL2, LL1
Back – L, DF [CF, CIF, CI, C] D, DI
Stock: 1
USD $185
A slightly less capable version of the FC 2/82N rule, the 2/82 is still quite formidable, featuring red and black scale markings that are self-documenting on the right side, anodized aluminum end braces, and a six line cursor. This rule also has 6 log log scales, and paired K scales for 3 decade operations. Body is fully alignable at the aluminum end-pieces.
Has Pythagorean scale (P), BI scale, dual Tangent scales (T1/T2), folded scales and scale over-ranges.
(22 scales, 6 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
Stock: 1
USD $425
This is a rare and unusual pocket rule from Faber Castell. The slide rule side features black and red scale marking that are self-documenting on the right side, a 3 line cursor, and advanced Log-Log scales. On the reverse side is a calculator that packs a large number of advanced functions that are almost on par with a modern scientific calculator, including trig functions, onboard memory, log/ln functions, exponents, sqrt, pi, and standard algebraic functions.
(14 scales, 3 cursor lines)
Front – LL03, LL02, LL01, K, A [B, BI, CI, C] D, L, LL1, LL2, LL3
Back – Calculator!
Stock: 1
USD $15
A very basic student/budget pocket rule from Flying Fish. These rules are in near new condition, and are a great addition to anyone’s collection.
(10 scales)
Front – K, A [B, CI, L, C] D, ST
Back –[S, T]
Stock: 4
USD $39
A basic student rule from Faber Castell, that still includes most of FC’s iconic rule design accents. Black and red scale markings that are self-documenting on the right side, green contrast scale bands, a 5 line cursor, and a metric ruler on the upper edge.
(10 scales, 5 cursor lines, 1 ruler)
Front – K, A [B, L, CI, C] D, S, ST, T1, T2
Back – Blank
Stock: 5
USD $395
This is an unusual slide rule that uses a glass and metal frame with multiple interchangeable scales to create a customized slide rule. Includes 26 double-sided “scale” inserts.
Stock: 1
USD $145
A very early example of this laminated wood body rule from Faber Castell, featuring a metric ruler on the upper edge, 1:25 drafting reference sacle on the lower edge, and reference data on the reverse side (in German). Black and red scale markings that are self-documenting on the right side, and a 3 line glass cursor.
(10 scales, 3 cursor lines, 2 rulers)
Front – K, A, [B, CI, C] D, L
Back – [S, ST, T] Reference data (in German)
Stock: 1
USD $245
Made by Sun Hemmi of Japan, and sold in the US under the Post brand, laminated bamboo body rule, with black and red engraved scales. Metal framed glass cursor, rule is in excellent condition, case is in fair condition, with a broken flap securing strap. Features specialized chemistry scales on the reverse side.
(23 scales)
Front – L, A, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back – Ch A-M, Ch N-Z, M1 [M2, F, C, K, F(t)] Kg/cm2, P mm Hg, in Hg Vac, t ur
Stock: 1
Sphere Research Corporation