Exhibition posters for the proteoscope.
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Electricity
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Electricity / Business Records, Marketing Material, and Other / 3: General Information
container: label: Container
content: Oversize 20, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: All identical but two in color and one in black and white.