20709 (E7944), Economy insole channeling, ECM, Edge gauge - improved (ECM-B)
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 17: Photographs / 17.10: Glass Plate Negatives
unitdate: label: Date
content: 1915 June 19
container: label: Container
content: Box 286
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Negatives