Physician and physical anthropologist William Montague Cobb (1904-1990) was the first African-American Ph.D in anthropology. He was also involved in civil rights activism. This is a metal caliper with a sliding scale. The head has pointed edges. The top section is fixed in place, while the lower section moves up and down the ruler. A small screw is present at the side of the lower section.
Pixel Dimensions (W x H) : 500x493
File Size : 723kb