Prall Railway Signal Signal and Telegraph Company
name: label: Collection Collector
content: National Museum of American History (U.S.). Division of Work and Industry
setName: label: See more items in
content: Railroad Trade Literature Collection
label: See more items in
content: Railroad Trade Literature Collection / Series 1: Trade Literature
unitdate: label: Date
content: 1890-1900
container: label: Container
content: Box 62, Folder 5
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.1136, Subseries 1.172
objectType: label: Type
content: Archival materials