patent model, railroad ejector vacuum brake
date: label: date made
content: ca. 1875
label: patent date
content: 1875-09-28
name: label: inventor
content: Westinghouse, Jr., George
place: label: associated place
content: United States: Pennsylvania, Pittsburgh
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.309366
label: accession number
content: 89797
label: catalog number
content: 309366
label: patent number
content: 168,119
objectType: label: Object Name
content: patent model, railroad ejector vacuum brake