patent model, chain link forming machine
date: label: patent date
content: 1878-02-12
name: label: inventor
content: Helm, John Henry
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Pennsylvania, Pittsburgh, Allegheny City
setName: label: See more items in
content: Work and Industry: Agriculture and Natural Resources
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.200196
label: catalog number
content: 200196
label: accession number
content: 089797
label: patent number
content: 200,196
objectType: label: Object Name
content: patent model, chain link forming machine