patent model, cotton sweep
date: label: patent date
content: 1878-01-22
name: label: inventor
content: Speer, William W.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Pennsylvania, Pittsburgh
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.199590
label: catalog number
content: 199590
label: accession number
content: 089797
label: patent number
content: 199,590
objectType: label: Object Name
content: patent model, cotton sweep