Tube Patents, Book 3
name: label: Collection Creator
content: Eisler Engineering Company.
setName: label: See more items in
content: Eisler Engineering Company records
label: See more items in
content: Eisler Engineering Company records / Series 7 : Litigation and Patent Records / 7.2: Patents
unitdate: label: Date
content: 1924 - 1931
container: label: Container
content: Box 41, Folder 17
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials