F.99 Data Sheet MJS-p-0043

Gilson, Midget, 1919

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 = 12 in, and overall scale length = 12 in. The largest physical dimension is 4 in.

Front Scales: C CI L A LL Ab frac drill_thread in/mm

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

Notes: 99 mm Gilson Midget Type II w/ original case

References: http://www.sliderulemuseum.com/; JOSvol9no1 (2000)

Date Acquired: 04/08/2018