Photomechanical Apparatus Patent
name: label: Collection Donor
content: Weber, Carl
label: Collection Creator
content: Weber, Martin J., 1905-2007
setName: label: See more items in
content: Martin J. Weber Graphic Arts Collection
label: See more items in
content: Martin J. Weber Graphic Arts Collection / Series 5: Legal Documents
unitdate: label: Date
content: 1931-1971
container: label: Container
content: Box 1, Folder 9
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials