Valve gear information (steam engines)
name: label: Collection Creator
content: McIntosh, Seymour and Company
setName: label: See more items in
content: McIntosh, Seymour and Company Records
label: See more items in
content: McIntosh, Seymour and Company Records / Series 4: Shop Books
unitdate: label: Date
content: 1907 - 1908
container: label: Container
content: Box 82
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials