F.99 Data Sheet MJS-p-0070

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Gilson, Binary, 1941

Serial Number or Date Stamp:

Country: USA

Primary construction material: Al

Case included?: yes

General Description: Advanced circular log-log trig/decitrig slide rule

Length of 1 decade = 26 in, and overall scale length = 26 in. The largest physical dimension is 9 in.

Front Scales: C CI A K L LL3 LL2 LL1 LL0 Ab frac drill_thread in/mm

Back Scales: theta1 S1 T1 theta2 S2 T2 theta3 S3 T3 frac

Notes: Gilson Binary Type I with case

References: http://www.sliderulemuseum.com/; JOSvol9no2 (2000)

Date Acquired: 05/30/2020