Record 69/76 |
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Description
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| Clear plastic 6" C-Thru Ruler Company protractor, 180 degrees marked on tiop edge in both directions; two braille dots mark 10 degree increments, one dot marks 5 degree increments, three dots mark 0, 45, 90, 135 and 180 degrees; 4" ruler on straight edge; gray vinyl "wand" with pointer pivots on aluminum machine screw in center of straight edge, secured with ridged white nylon nut; screen printed "APH" and info on the C-Thru model 376 protractor. |
Braille/Print Protractor
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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.
| Braille/print protractor |
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.