Improvement in Dust-Traps for Furnaces (US Patent 193,787)
name: label: Collection Creator
content: Herrick, Gerard Post, 1873-1955
setName: label: See more items in
content: Gerardus P. Herrick Collection
unitdate: label: Date
content: 1877
container: label: Container
content: Box 2, Folder 9
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials