#404, A picture of the screen room in the mill, showing the electric vibrating screens for the preparation of finished grades.  Would not advise using this picture as there are others of the same subject later which show more animation.  [Same room as ...
name: label: Collection Creator
content: International Salt Company
label: Collection Creator
content: Costain, Harold Haliday
label: Collection Creator
content: Rittase, William M., 1894-1968
setName: label: See more items in
content: International Salt Company Records
label: See more items in
content: International Salt Company Records / Series 3: Photographs / 3.2: William Ritasse
unitdate: label: Date
content: circa 1934
container: label: Container
content: Box 6, Folder 5
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs