patent model, micrometer screw gauge
date: label: patent date
content: 1879-02-04
name: label: inventor
content: Dickinson, George W.
place: label: associated place
content: United States: Ohio, Ashtabula
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.308967
label: catalog number
content: 308967
label: accession number
content: 89797
label: patent number
content: 211,975
objectType: label: Object Name
content: patent model, micrometer screw gauge