Edgar L. Fogelman, US Patent 1,299,318. Drill and related patent materials
setName: label: See more items in
content: Division of Mechanical and Civil Engineering Panama Canal Collection
unitdate: label: Date
content: 1918-1921
container: label: Container
content: Box 1, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: See museum accession 2001.0302.