F.245 Data Sheet MJS-p-0169

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Lawrence, 10-D, c.1946

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: yes

General Description: Specialty linear slide rule

Length of 1 decade = 3.75 in, and overall scale length = 3.75 in. The largest physical dimension is 10 in.

Front Scales: thick [ width length ] BoardFeet

Back Scales:

Notes: Lawrence Lumber Calculator; Peru, IN

References: http://sliderulemuseum.com/Lawrence.htm; JOS Vol. 5 pp. 55-61

Date Acquired: 01/04/2021