Roberts Numbering Machine Company
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Office Equipment
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Office Equipment / Genre / Catalogues / R-S
unitdate: label: Date
content: 1912
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials