F.139 Data Sheet 139

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K&E, 4058W, 1936-1943

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: box

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

Front Scales: A [ B C ] D

Back Scales: [ S L T ]

Notes: Beginner’s Rule

References: http://www.mccoys-kecatalogs.com/KECollection/4058/ke4058familyrules.htm

Date Acquired: 08/01/2020