F.226 Data Sheet MJS-p-0169

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