F.7 Data Sheet MJS-p-0194

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American Blueprint, Military, 1948-1957

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: yes

General Description: Specialty linear military slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 12 in.

Front Scales: OppAngDeg OppAngMils [ ApexAngMils ApexAngDeg CI C ] D A

Back Scales: [ T ST S C ]

Notes: US Military slide rule, for field artillery problems

References: https://sliderulemuseum.com/Military/S189_AmericanBlueprintMilitaryRule.jpg

Date Acquired: 06/04/2021