Post 1457 Greg's Slide Rules
Front Left

Front Right

Back Left

Back Right

Post 1457 - Notes

  1. Made by Charvos-Roos during World War 2.
  2. This is another example of a rule made during WWII when Post's regular suppliers (Hemmi) were unable to supply rules.
  3. This rule is essentially the same as the Post 1462 (1) and Post 1462 (2) without scales on the back of the stators.


Further details about this Slide Rule:

Brand Post
Model 1457 - Mannheim-Trig
Country of Manufacture USA
Date of Manufacture Sometime during WW2
Scales Front T, DF [CF, CIF, CI, C] D, S, ST
Scales Back [B, K, L, C]
Number of Scales 13
Slide Rule Materials Wood/Celluloid
Cursor Materials Plastic with metal screws
Cursor Lines 1 Front, 1 Back
Scale Length 25 cm
Length 31 cm
Width 3.9 cm
Condition Good
Documentation None
Accessories Original Box

Last updated: 2002-09-08 22:00 AEST
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