- Accession Number:
- 1993.26
- Description:
- Clear plastic 180 degree #376 C-Thru Ruler Company protractor, scaled in both directions 0-180 in print; one raised dot at 5 degree increments, two raised dots at 10 degree increments, and three raised dots at 0, 45, 90, 135, and 180; 4" ruler on bottom; clear plastic pointer bolted to middle of ruled lower edge with machine screw and leather washer; screen printed, "C THRU RULER COMPANY/Hartford Conn U.S.A./No. 376.
- Height:
- 7
- Width:
- 6
- Date Made:
- ca. 1950
- Place of Origin:
- Hartford, CT
- Credit Line:
- Gift of Elmer Eveland, 1993.26
- Subjects:
- Geometry Instructional aids, tools, and supplies Measuring
- Dimension Notes:
- overall
- Made:
- C-Thru Ruler Company
- Material:
- Plastic
- Updated:
- 07/22/2015