patent model, harrow & roller
date: label: patent date
content: 1877-11-20
name: label: inventor
content: Concannon, Washington
label: inventor
content: Drago, William F.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Indiana, Valparaiso
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.197204
label: catalog number
content: 197204
label: accession number
content: 089797
label: patent number
content: 197,204
objectType: label: Object Name
content: patent model, harrow & roller