patent model, chain safety guard, watch
date: label: patent date
content: 1874-05-26
name: label: inventor
content: Johnson, Robert A.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: New York, New York City
setName: label: See more items in
content: Work and Industry: Agriculture
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.151291
label: catalog number
content: 151291
label: accession number
content: 89797
label: patent number
content: 151,291
objectType: label: Object Name
content: patent model, chain safety guard, watch