Railway frog
date: label: date made
content: ca 1875
label: date made
content: ca. 1875
label: patent date
content: 1875-11-30
name: label: inventor
content: Elliot, George
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Missouri, St. Louis
setName: label: See more items in
content: Work and Industry: Transportation, Railroad
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: TR.309231
label: catalog number
content: 309231
label: patent number
content: 170,537
objectType: label: Object Name
content: patent model, railway frog
label: Other Terms
content: rail switch; patent model, railway frog; Rail; Rail
physicalDescription: label: Physical Description
content: steel (overall material)
label: Measurements
content: overall: 12 in x 3 in; 30.48 cm x 7.62 cm