Swing crane attachment for crawler-type tractors designed by Bernis B. Brown
name: label: Collection Creator
content: Brown, Bernis B., 1888-1960
setName: label: See more items in
content: Bernis B. Brown Collection
label: See more items in
content: Bernis B. Brown Collection / Series 1: Personal Materials
physdesc: label: Extent
content: 1 Blueprint (13 3/4 in x 20 3/4 in)
unitdate: label: Date
content: 1930-12-19
container: label: Container
content: Map-folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Blueprints