Union Switch and Signal Company (Pittsburgh, Pennsylvania)
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Electricity
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Electricity / Business Records, Marketing Material, and Other / Companies / 1.1: United States Companies
container: label: Container
content: Box 16, Folder 47
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials