F.233 Data Sheet MJS-p-0124

Lawrence, 10-B, c.1940

Serial Number or Date Stamp:

Country: USA Primary construction material: wd Case included?: yes

General Description: Basic linear beginner/student polyphase slide rule

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

Front Scales: A [ B CI C ] D K

Back Scales:

Notes: Lawrence Engineering Service; Peru, IN; plastic magnifier cursor

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

Date Acquired: 08/01/2020