Keuffel & Esser 4092-3 Greg's Slide Rules
Front Left

Front Right

Back Left

Back Right

Keuffel & Esser 4092-3 - Notes

  1. I believe that this rule probably dates from roughly 1926/27, the serial number is too early for 1930. For K&E serial number dating use the link here to Ed Chamberlain's reference set of dating curves.


Further details about this Slide Rule:

Brand Keuffel & Esser
Model 4092-3 Log Log Duplex
Country of Manufacture USA
Scales Front K, DF [CF, CIF, CI, C] D, L
Scales Back LL0, A [B, S, T, C] LL3, LL2, LL1
Number of Scales 17
Slide Rule Materials Wood/Celluloid
Cursor Materials Metal/Glass
Cursor Lines 1 Front, 1 Back
Scale Length 25 cm
Length 31.7 cm
Width 4 cm
Condition Good, some small scratch marks on surface
Documentation None
Accessories Leather case

Last updated: 2002-07-13 11:45 AEST
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