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Title Manual: The Log Log Duplex Trig Slide Rule No. 4080. A Manual. Kells, Kern & Bland. K&E, NY & Hoboken, [copyright 1945.]
Object Name Manual, Training
Catalog Number 2010.023.0011
Collection Keuffel & Esser Company Collection
Credit Gift of Dr. Robert K. Otnes
Scope & Content The Log Log Duplex Trig Slide Rule No. 4080. A Manual. By Lyman M. Kells, Willis F. Kern and James R. Bland. Published by Keuffel & Esser Co., New York & Hoboken, N.J., [copyright 1943, 1945], issued 1945-1948.

Booklet, 5-3/16" x 7-3/4" high, pp [iv], 101, [1].

Cover has the old K&E griffin trademark. A 1948 printing had a new cover style with the modern K&E logo of 1942.
Notes Copyright date and issue date are not necessarily the same.
Date 1945-1948
Year Range from 1945
Year Range to 1948
Search Terms Keuffel & Esser Co.
K & E
Caption front cover
Imagefile 078\20100230011.JPG
Classification Business & Commerce
Manufacturing
Education