patent model, watch mainspring
date: label: date made
content: 1875
label: patent date
content: 1875-05-11
name: label: inventor
content: Dawson, John A.
notes: label: Location
content: Currently not on view
place: label: place made
content: United States
label: associated place
content: United States: Massachusetts, Boston
setName: label: See more items in
content: Work and Industry: Mechanisms
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.309094
label: catalog number
content: 309094
label: license number
content: 163161
label: accession number
content: 89797
label: patent number
content: 163,161
objectType: label: Object Name
content: patent model, watch mainspring
label: Object Name
content: watch part
label: Other Terms
content: watch, part of; patent model, watch mainspring; Mechanical, Spring-Driven; Pocket Watch
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 1/8 in x 3/4 in; x .3175 cm x 1.905 cm