M.P.J. Incorporation Papers,
name: label: Collection Creator
content: Mount, Wadsworth W., 1907-1985
label: Collection Donor
content: Mount, John W.
setName: label: See more items in
content: Wadsworth W. Mount Papers
label: See more items in
content: Wadsworth W. Mount Papers / Series 7: Pipe Joint Method
unitdate: label: Date
content: 1976-1985
container: label: Container
content: Box 23, Folder 9-10
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials