Spreading caliper made by Paleo-Tech Instruments, Wheeling, Ilinois, United States, 1999. Used by skeletal biologists to study human remains. Caliper for measuring human skulls, United States, 1999 Psychology, Psychiatry & Anthropometry 1999
Calliper for measuring the head in criminal identification system, Paris, France, 1867-1899 Psychology, Psychiatry & Anthropometry 1867-1899
Glogau's Vernier calliper ('Minnesota skin calliper') modified Psychology, Psychiatry & Anthropometry 1953
Skin thickness callipers used in the Harpenden Growth Study Psychology, Psychiatry & Anthropometry 1950-1959
