Pittsburgh Steam Engine Company and its competitors
name: label: Collection Creator
content: Bathe, Greville
setName: label: See more items in
content: Greville I. Bathe Papers
label: See more items in
content: Greville I. Bathe Papers / Research about Oliver Evans (1755-1819)
unitdate: label: Date
content: undated
container: label: Container
content: Box 6, Folder 26
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials