Automatic Helical Coiler--Deepsleep, 1935, 1937
name: label: Collection Creator
content: Simmons Company
setName: label: See more items in
content: The Simmons Company Records
label: See more items in
content: The Simmons Company Records / Series 1: Corporate Materials / 1.2: Photographic Materials / 1.2.1: Machines
unitdate: label: Date
content: 1939
label: Date
content: 1944
label: Date
content: 1949
container: label: Container
content: Box 6, Folder 8
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials