Instructions for Keuffel & Esser Compensating Polar Planimeters
date: label: date made
content: 1949
name: label: maker
content: Keuffel & Esser Co.
notes: label: Description
content: The citation information for this 32-page booklet is: <i>K+E Manual: Compensating Polar Planimeters, 4236, 4236M & 4242</i> ([New York]: Keuffel & Esser Co., 1949). It was received with 1991.0882.01.
label: Description
content: 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.
label: Location
content: Currently not on view
place: label: place made
content: United States: New Jersey, Hoboken
topic: label: Subject
content: Mathematics
label: Subject
content: Engineering
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Planimeters
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Anne P. Merrill
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.0882.02
label: accession number
content: 1991.0882
label: catalog number
content: 1991.0882.02
objectType: label: Object Name
content: pamphlet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 13.6 cm x 21.4 cm; 5 11/32 in x 8 7/16 in