American Schaeffer & Budenberg Amsler Polar Planimeter
date: label: date made
content: after 1923
name: label: maker
content: American Steam Gauge & Valve Mfg. Co.
notes: label: Description
content: This nickel-plated instrument forms a U and is hinged around a brass measuring wheel and vernier. A cylindrical weight fits over a peg at the end of the pole arm. The plating has worn away from the handle for the tracer point. The tracer arm is stamped with a serial number: 5337. An oblong wooden case covered with black leather is lined with dark blue velvet. The top of the case is marked: AMERICAN (/) SCHAEFFER & BUDENBERG. These words are in an oval around the company logo of a globe and the words: BROOKLYN, N.Y. A torn red and white sticker on the bottom of the case originally read: UNIVERSITY OF (/) CINCINNATI (/) 33893. Compare to 1981.0301.03 and 1981.0301.04.
label: Description
content: In 1923 the American Steam Gauge & Valve Manufacturing Company, the Hohmann-Nelson Company, and the American division of the Schäffer & Budenberg Manufacturing Company merged to form American Schaeffer & Budenberg Corporation. The fiAccording to the accession file. this object was received at the Smithsonian in 19rst and third companies were known for their planimeters as well as their steam-engine indicators, but American had made this particular instrument since the late 19th century, while Schäffer & Budenberg was associated with the Coffin planimeter. See MA.323706. The merged firm may have been purchased by Manning, Maxwell, and Moore in the late 1930s. The department of mechanical engineering laboratory at the University of Cincinnati owned this instrument and donated it to the Smithsonian in 1981.
label: Description
content: References: Barry Lee David, <i>The Antique American Steam Gauge: A Collector's Guide</i> (Mendham, N.J.: Astragal Press, 2003); American Steam Gauge Company, catalog (Boston, 1896), 130–135.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Brooklyn
topic: label: Subject
content: Engineering
label: Subject
content: Mathematics
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 University of Cincinnati Department of Mechanical Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0301.02
label: catalog number
content: 1981.0301.02
label: accession number
content: 1981.0301
objectType: label: Object Name
content: planimeter
physicalDescription: label: Physical Description
content: nickel (overall material)
label: Physical Description
content: brass (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: leather (overall material)
label: Physical Description
content: cloth (overall material)
label: Measurements
content: case: 3.7 cm x 17 cm x 5.3 cm; 1 15/32 in x 6 11/16 in x 2 3/32 in