Record 25/76 |
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Description
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| Numberaid abacus in original box with instruction manual; black plastic slotted foot and top; five vertical gray plastic rods with a gray plastic shelf separation the top row of beads from the lower row; two beads on rods above the shelf, nine beads below the shelf; left to right, beads are translucent blue, yellow, white, red, and green; an aluminum sliding indicator bar is wrapped around the top; embossed in white on frame, "Numberaid/MANUFACTURED AND DISTRIBUTED BY/MILSCO MANUFACTURING CO. Milwaukee, Wis./An Arithmetic Learning Aid Designed For Burroughs Corporation."; yellow and blue cardboard box with drawing of the product and a child using one on the lid; 120 p. stabled softbound instruction manual. |
Numberaid teaching abacus
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Copyright Museum of the American Printing House for the Blind
Image Courtesy Museum of the American Printing House for the Blind. Note: use of some materials may be restricted, please call before publishing in any format.
| Numberaid |
Image Courtesy Museum of the American Printing House for the Blind. Note: use of some materials may be restricted, please call before publishing in any format.