Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
K & E /4053-3
Keuffel & Esser
Celluloid over wood
early 1900's
25 cm

Notes: "The Keuffel & Esser 4053 “Polyphase” slide rule has the scale set of a Rietz, with A, B | CI, C | D scales on the front, a K scale on the lower edge, and S, L, and T scales on the back of the slide. The 4053 was very popular because it was very useful. "

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