F.2 Data Sheet MJS-p-0307

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Acu-Rule, Acu-Math 400B, c.1965

Serial Number or Date Stamp:

Country: USA

Primary construction material: pl

Case included?: yes

General Description: Basic linear polyphase slide rule

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

Front Scales: T DF [ CF CIF CI C ] D S ST

Back Scales: A [ B K L C ]

Notes: equivalents on back; light tan case

References: https://sliderulemuseum.com/Acumath.htm

Date Acquired: 06/07/2023