F.180 Data Sheet MJS-p-0186

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K&E, 4092, 1913

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: yes

General Description: Advanced linear log-log duplex slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: A [ B S C ] D

Back Scales: LL1 LL2 LL3 [ C T CI ] D L

Notes: Log Log Duplex; very rare early 4092 with column cursor; prod marks 244; from Green Bay, WI, dairy farm, owner Ray Harkness

References: https://www.sliderulemuseum.com/KE_Standard.htm; https://osgalleries.org/os/completegallery.cgi

Date Acquired: 03/29/2021