Railroad switch
date: label: date made
content: ca 1880
label: date made
content: ca. 1880
label: associated dates
content: 1880 07 20 / 1880 07 20
label: patent date
content: 1880-07-20
name: label: inventor
content: Parker, Ephraim
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Massachusetts, Boston
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.309235
label: accession number
content: 89797
label: catalog number
content: 309235
label: patent number
content: 230,147
label: accession number
content: 89797
objectType: label: Object Name
content: patent model, railroad switch
label: Other Terms
content: patent model, railroad switch; Railroad; Track
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: wood (overall material)
label: Measurements
content: average spatial: 2.7 cm x 15.558 cm x 57.468 cm; 1 1/16 in x 6 1/8 in x 22 5/8 in
label: Measurements
content: average spatial: 2.7 cm x 15.5 cm x 57.4 cm; 1 1/16 in x 6 1/8 in x 22 5/8 in
label: Measurements
content: average spatial: 3 1/2 in x 6 1/8 in x 10 5/8 in; 8.89 cm x 15.5575 cm x 26.9875 cm
label: Measurements
content: average spatial: 8 cm x 15.5 cm x 26.6 cm; 3 1/8 in x 6 1/8 in x 10 1/2 in