Experimental (EX) index cards, 17,500 to 17,950
name: label: Collection Creator
content: United Shoe Machinery Corporation
setName: label: See more items in
content: United Shoe Machinery Corporation Records
label: See more items in
content: United Shoe Machinery Corporation Records / Series 5: Research and Development Department Records / 5.10: Experimental (EX) Files
unitdate: label: Date
content: 1956 - 1958
container: label: Container
content: Box 52
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials