F.92 Data Sheet MJS-p-0340

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Festus, 10, 1938

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: box

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: Early Festus rule; scales on white painted wood; excellent condition, basically NIB; instruction sheet, first edition ‘Paul Jones, Author’; great piece of Americana.

References: https://sliderulemuseum.com/Acumath.htm, https://jeffcomohistory.org/LisasHistoryArticles/SlideRule.pdf

Date Acquired: 06/01/2024