patent model, railroad semaphore signal
date: label: date made
content: ca 1866
label: date made
content: ca. 1866
label: patent date
content: 1866-10-16
name: label: inventor
content: Stead, Thomas
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Ohio, Cleveland
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.309221
label: catalog number
content: 309221
label: patent number
content: 58,910
objectType: label: Object Name
content: patent model, railroad semaphore signal
label: Other Terms
content: signal, electromagnetic; patent model, railroad semaphore signal; Rail