Instruction Card for Robertson-Amsler Polar Planimeter
Instruction Card for Robertson-Amsler Polar Planimeter
Usage conditions apply
- Description
- These salmon-colored card fragments were received with MA.333766. They give partial instructions for taking measurements with an "averaging planimeter." The reverse side of the card has a drawing of a connector for a steam engine indicator and several user testimonials.
- Location
- Currently not on view
- Object Name
- sheet
- date made
- ca 1900
- maker
- James L. Robertson & Sons
- place made
- United States: New York, New York City
- Physical Description
- paper (overall material)
- Measurements
- overall: 8.5 cm x 9.5 cm; 3 11/32 in x 3 3/4 in
- ID Number
- MA.302380.02
- accession number
- 302380
- catalog number
- 302380.01
- Credit Line
- Gift of R. J. Russell
- subject
- Mathematics
- Engineering
- See more items in
- Medicine and Science: Mathematics
- Science & Mathematics
- Planimeters
- Data Source
- National Museum of American History
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