F.222 Data Sheet MJS-p-0122

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K&E, N4053-3, 1925

Serial Number or Date Stamp: 140188

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

Back Scales: [ S L T ]

Notes: Polyphase; stitched case; C.H. Drake O.S.C.

References: http://sliderulemuseum.com/Manuals/KE_Date.jpg

Date Acquired: 08/01/2016