Filters and Purifiers
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Waterworks
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Waterworks / Genre / Advertising and Marketing / Treatment
unitdate: label: Date
content: circa 1847-1929
container: label: Container
content: Box 3, Folder 7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: Booklets and circulars detailing the operation and benefits of filtration and purification systems. Three blue prints of the Rider products: pressure filter, gravity filter, aeration wheel.