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Title Manual: Compensating Polar Planimeters. K&E Co., N.Y. & Hoboken, ca. 1939-1944.
Object Name Pamphlet, Instruction
Catalog Number 2010.007.0075
Collection Keuffel & Esser Company Collection
Credit Museum Collections. Gift of a friend of the Museum.
Scope & Content Directions for the Use, Care and Adjustment of Compensating Polar Planimeters. Keuffel & Esser Co., New York & Hoboken, copyright 1938; issued circa 1939-1944 (see notes.)

Booklet, 5-3/4" wide x 8-3/4" high. 16pp. plus salmon printed cover. PDF on file.

Instructions for model numbers:
4240 1/2
4242 1/2

Notes Issue date derived from several points: the Los Angeles branch (established 1939) listed and that the company used the salmon color covers through the 1940s; the griffin trademark (back cover) was used (while the company changed in 1942 to a new logo, publications such as this would often lag behind); the old style page layout is present; inside back cover has ad for Engineer's Transit N5060FS which is illustrated (by the 40th edition catalog of 1944, the 'N' was no longer part of the model number.)
Date 1939-1944
Year Range from 1939
Year Range to 1944
Search Terms K & E
Keuffel & Esser Co.
Caption front cover
Imagefile 074\20100070075.TIF
Classification Manufacturing
Business & Commerce