patent model, micrometer
date: label: date made
content: 1879
label: patent date
content: 1879-09-02
name: label: inventor
content: Richards, John
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Pennsylvania, Philadelphia
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.308968
label: catalog number
content: 308968
label: patent number
content: 219,307
label: accession number
content: 89797
objectType: label: Object Name
content: patent model, micrometer
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 4 1/8 in x 12 in; 13.97 cm x 10.4775 cm x 30.48 cm