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
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a7-4d0e-704b-e053-15f76fa0b4fa
