F.1 Data Sheet MJS-p-0339

Acu-Rule, 50, 1939

Serial Number or Date Stamp:

Country: USA Primary construction material: wd Case included?: no

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: in /| A [ B CI C ] D K

Back Scales:

Notes: Missing cursor. Made by Acu-Rule, sold by Laboratory Specialties, Inc., Wabash, Indiana, for use in mathematics and science classes; see note by Keuffel

References: https://www.sliderulemuseum.com/Acumath.shtml; https://www.sliderulemuseum.com/REF/acurule/index.shtml; https://jeffcomohistory.org/LisasHistoryArticles/SlideRule.pdf; https://www.sliderulemuseum.com/Manuals/M196_KE_Memo_Feb-9-1940_MIT.jpg

Date Acquired: 05/04/2024