patent model, drive chain
date: label: patent date
content: 1877-10-16
name: label: inventor
content: Ewart, William D.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Illinois, Chicago
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.196115
label: catalog number
content: 196115
label: patent number
content: 196,115
objectType: label: Object Name
content: patent model, chain, drive
label: Object Name
content: patent model, drive chain
physicalDescription: label: Measurements
content: overall: 3 1/4 in x 2 1/8 in x 3 1/2 in; 8.255 cm x 5.3975 cm x 8.89 cm