Ezra B. Ely and Samuel Salmon, Mechanism for loading coal (US 419,145)
name: label: Collection Creator
content: Coxe Brothers and Company, Inc. (Drifton, Pennsylvania)
label: Collection Collector
content: National Museum of American History (U.S.). Division of History of Technology
label: Collection Collector
content: National Museum of American History (U.S.). Division of Work and Industry
label: Collection Collector
content: National Museum of American History (U.S.). Division of Extractive Industries
setName: label: See more items in
content: Coxe Brothers Collection
label: See more items in
content: Coxe Brothers Collection / Series 2: Patent Material / 2.1: United States Patents
unitdate: label: Date
content: 1890
container: label: Container
content: Box 4, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials