Fitts Governor Valve, Patent Model
date: label: date made
content: 1859
label: patent date
content: 1859-08-09
name: label: inventor
content: Fitts, Benaiah
notes: label: Description
content: This model was submitted to the U.S. Patent Office with the application for the patent issued to Benaiah Fitts, of Worcester, Massachusetts, August 9, 1859, no. 25005.
label: Description
content: The model represents a globular valve in which a conical rotor uncovers a port in a conical seat. It operates without a stuffing box and is designed so that the pressure of steam on the rotor is balanced, reducing friction to a minimum.
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: Massachusetts, Worcester
label: associated place
content: United States: Massachusetts, Worcester
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
label: See more items in
content: Bulletin 173
label: See more items in
content: Engineering, Building, and Architecture
label: See more items in
content: Work
label: See more items in
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: ER.308662
label: accession number
content: 89797
label: catalog number
content: 308662
label: patent number
content: 25,005
objectType: label: Object Name
content: governor valve, model
label: Object Name
content: patent model, valve, governor
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 7 1/4 in x 7 in x 5 in; 18.4531 cm x 17.78 cm x 12.7 cm