Clow Rotary Water Pump, Patent Model
date: label: date made
content: 1856
label: patent date
content: 1856-07-01
name: label: inventor
content: Clow, Charles N.
notes: label: Description
content: This model was submitted to the U.S. Patent Office with the application for the patent issued to C. N. Clow, of Port Byron, New York, July 1, 1856, no. 15221.
label: Description
content: The model represents a cam pump in which two smooth elliptical cams run in contact in a casing, which is roughly a horizontal figure-eight in cross section. The cams are made to revolve together correctly by means of gear wheels on the outside of the casing on the same shafts to which the cams are attached. The pitch line of the gears correspond in shape to the elliptical peripheries of the cams. The pump is operated by a hand crank.
label: Description
content: Reference:
label: Description
content: This description comes from the 1939 Catalog of the Mechanical Collections of the Division of Engineering United States Museum Bulletin 173 by Frank A. Taylor.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York
label: associated place
content: United States: New York, Port Byron
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
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content: Bulletin 173
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content: Engineering, Building, and Architecture
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content: Work
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content: Industry & Manufacturing
publisher: label: Related Publication
content: Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MC.308658
label: catalog number
content: 308658
label: accession number
content: 89797
label: patent number
content: 15,221
objectType: label: Object Name
content: rotary pump, model
label: Object Name
content: patent model, pump, rotary
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: cast iron (overall material)
label: Measurements
content: overall: 7 1/2 in x 4 1/8 in x 4 1/2 in; 19.05 cm x 10.4775 cm x 11.43 cm