F.190 Data Sheet MJS-p-0153

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K&E, 4093-3, 1933

Serial Number or Date Stamp: 429961

Country: USA

Primary construction material: wd

Case included?: yes

General Description: Advanced linear log-log vector/hyperbolic duplex slide rule

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

Front Scales: L LL0 DF [ CF B CI C ] D LL3 LL2

Back Scales: Sh1 Sh2 Th [ SI1 SI2 TI ] D S T

Notes: Log Log Duplex Vector; First of the Vector rules; very nice condition

References: https://www.sliderulemuseum.com/KE_Standard.htm

Date Acquired: 09/11/2020