General Steel Castings Commonwealth Sales Corporation, Commonwealth one-piece cast steel locomotive beds
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 / 1.40: Commonwealth Supply Company Incorporated
unitdate: label: Date
content: 1955
container: label: Container
content: Box 34, Folder 13
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials