Diagram of sweetening still
name: label: Collection Creator
content: American Petroleum Institute.
setName: label: See more items in
content: American Petroleum Institute Photograph and Film Collection
label: See more items in
content: American Petroleum Institute Photograph and Film Collection / Series 1: Historical Photographs, 1850s-1950s / 1.28: Refineries, 1872-1958
unitdate: label: Date
content: undated
container: label: Container
content: Box 22, Folder 28
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials