Accession Number: 1998.56
Description: Clear plastic protractor/adjustable triangle, adapted with braille on brown Dymo-tape brown labels; black thumb screw secures angle; printed label, "ALVIN TRU-ANGLE".
Height: 5.125
Width: 6
Date Made: ca. 1955
Credit Line: Gift of Elmer Eveland, 1998.56
Subjects: Protractors Mathematics Instructional aids, tools, and supplies
Dimension Notes: overall
Material: Plastic, aluminum
Updated: 07/27/2015