Yonkler, T., Screen for Taking Measurements from Projections, U.S. Patent No. 2,547,425
name: label: Collection Creator
content: Booth, Henry, 1895-1969
setName: label: See more items in
content: Henry Booth Collection
label: See more items in
content: Henry Booth Collection / Series 1: PhotoMetriC Apparatus Materials
unitdate: label: Date
content: 1951 April 3
container: label: Container
content: Box 1, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials