patent model, watch escapement
date: label: date made
content: 1858
label: patent date
content: 1858-07-13
name: label: inventor
content: Muma, Jacob
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Pennsylvania, Hanover
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.309118
label: catalog number
content: 309118
label: license number
content: 20.888
label: accession number
content: 89797
label: patent number
content: 20,888
objectType: label: Object Name
content: patent model, watch escapement
label: Other Terms
content: watch escapement; patent model, watch escapement; Mechanical, Spring-Driven; Pocket Watch
physicalDescription: label: Physical Description
content: wood (watch movement material)
label: Measurements
content: overall: 2 1/4 in x 7 1/8 in; 5.715 cm x 18.0975 cm
label: Measurements
content: walnut model, from cat. card: 7 1/2 in; x 19.05 cm