Correspondence, Memoranda, Reports, Exhibits #1- 45
name: label: Collection Creator
content: Sperry Co.
setName: label: See more items in
content: Sperry Rail Detector Car Collection
unitdate: label: Date
content: May 1926 - October 1928
container: label: Container
content: Box 1, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials