F.238 Data Sheet MJS-p-0392

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K&E, N4058W, 1958

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: [ S L T ]

Notes: Last of 4058 Beginner’s rule, just before K12 Prep Rule.

References: http://www.mccoys-kecatalogs.com/KECatalogs/1901/1901kecatp294.htm

Date Acquired: 07/15/2025