F.31 Data Sheet MJS-p-0077

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Charvoz-Roos, SR-104, c.1941

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

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: A [ B CI C ] D K

Back Scales:

Notes: Made in U.S.A.; no company reference

References: https://www.sliderulemuseum.com/CharvozRoos.htm

Date Acquired: 08/01/2016