Bureau of Mines Bulletin 20: "Mine-car Friction"
name: label: Collection Creator
content: Timken Roller Bearing Company
label: Collection Creator
content: Pauly, Frank G.
label: Collection Creator
content: United States. Bureau of Mines
setName: label: See more items in
content: Timken Roller Bearing Company Collection
unitdate: label: Date
content: 1925
container: label: Container
content: Box 1, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials