Illustrations and photographs of Bollman trusses
name: label: Collection Creator
content: Vogel, Robert M.
label: Collection Creator
content: Bollman, Wendell, 1814-1884
setName: label: See more items in
content: Bollman Truss Bridge Collection
container: label: Container
content: Box 4, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials