Braille/Print Protractor prototype

Print, Photographic

Accession Number: 2016.29.104-105

Description: One color transparency and one black-and-white photo show the same image of a protractor, which has a textured, pivoting pointer; large type numbers; and braille dots at 5- and 10-degree increments. APH introduced the protractor as a product in 1999; catalog number 1-004115-00. .104 transparency .105 b/w photo

Medium: Photographic Paper

Print Size: 7" (h) x 5" (w)

Date: 1998

Photographer: Tonegawa, Mike

History/Provenance: Photograph taken for APH for promotional use. Transferred to the APH Museum from the APH Communications Department.

Credit Line: APH Collection, 2016.29

Subjects: Instructional aids, tools, and supplies Mathematical instruments Protractors Products Photographs