Murdock Injector, Patent Model
date: label: date made
content: 1890
label: patent date
content: 1890-11-11
name: label: inventor
content: Murdock, Horace B.
notes: label: Description
content: This injector was submitted to the U.S. Patent Office with the application for the patent issued to Horace B. Murdock, of Detroit, Michigan, November 11, 1890, no. 440183; assigned to the American Injector Co.
label: Description
content: This is a double injector having two force tubes arranged in parallel order and operated with a single actuating shaft. The overflow valves as well as the steam valves of the two sets of tubes are operated by the same shaft so that the steam valve of the first set opens in advance of the steam valve of the second set and the overflow valve of the first set closes in advance of the second set. The stems of all conical plug valves are extended outside of the injector shell and are provided with slotted ends by which they may be turned with a suitable tool to grind upon the valve seats.
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: Michigan, Detroit
label: associated place
content: United States: Michigan, Detroit
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.309186
label: catalog number
content: 309186
label: accession number
content: 89797
label: patent number
content: 440,183
objectType: label: Object Name
content: injector, steam, model
label: Object Name
content: patent model, injector, steam
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: brass, wood (overall material)
label: Measurements
content: overall - from catalog card: 9 in x 6 in; 22.86 cm x 15.24 cm
label: Measurements
content: overall: 8 3/8 in x 9 1/8 in x 2 in; 21.2725 cm x 23.1775 cm x 5.08 cm