Accession Number: 2004.134.62.20
Description: Black-and-white glossy; product photo of a Numberaid, an abacus invented by Andrew F. Schott; the photo is taken at an angle while the numberaid lays flat on a surface; it is a plastic numberaid; across the bottom of the product, it says "Numberaid;" the background is black. On reverse: "Numberaid 1-0347 obsolete" written in pencil BL.
Medium: Photographic Paper
Print Size: 8" (h) x 10" (w)
Date: ca. 1971
Photographer: Lin Caufield Photographers Inc.
History/Provenance: Photo taken for the American Printing House for the Blind for promotional purposes.
Credit Line: (see provenance)
Subjects: Instructional aids, tools, and supplies Mathematics Abacus Products
