- 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
