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Instructions for Keuffel & Esser Compensating Polar Planimeters

National Museum of American History

Object Details

Keuffel & Esser Co.
Description
The citation information for this 32-page booklet is: K+E Manual: Compensating Polar Planimeters, 4236, 4236M & 4242 ([New York]: Keuffel & Esser Co., 1949). It was received with 1991.0882.01.
The booklet explains the operation, care, and use of compensating polar planimeters, with several pages on tracing areas and making calculations. Five tables of factors and settings for scale drawings or maps are provided. The booklet also discusses factors influencing the accuracy of the instrument and highlights adjustments and measurements unique to K&E model 4242, which had adjustable arms. See 1999.0250.01 and 1998.0032.03. Finally, the general mathematical theory of the polar planimeter is outlined.
Location
Currently not on view
Credit Line
Gift of Anne P. Merrill
1949
ID Number
1991.0882.02
accession number
1991.0882
catalog number
1991.0882.02
Object Name
pamphlet
Physical Description
paper (overall material)
Measurements
overall: 13.6 cm x 21.4 cm; 5 11/32 in x 8 7/16 in
place made
United States: New Jersey, Hoboken
See more items in
Medicine and Science: Mathematics
Planimeters
Science & Mathematics
National Museum of American History
Subject
Mathematics
Engineering
Record ID
nmah_904594
Metadata Usage (text)
CC0
GUID (Link to Original Record)
https://n2t.net/ark:/65665/ng49ca746a7-4d0e-704b-e053-15f76fa0b4fa

Related Content

  • Planimeters

    American History Museum
Instructions for Keuffel & Esser Compensating Polar Planimeters
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