Pawl and Ratchet mechanism
date: label: date made
content: 1891
label: patent date
content: 1891-12-08
name: label: inventor
content: Johnston, Thomas
notes: label: Location
content: Currently not on view
place: label: place made
content: United States: New York
label: associated place
content: United States: New York, Newburgh
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MC.308844
label: catalog number
content: 308844
label: patent number
content: 464,938
label: accession number
content: 89797
objectType: label: Object Name
content: patent model, clutch, paul & ratchet
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 5 1/8 in x 3 5/8 in; 13.0175 cm x 9.2075 cm