Black and white print of 2 men with various appliances. On the left is a skull on the stand set-up for photography. This is "photograph no. 5" that appears in "On composite photography as applied to craniology; on measuring the cubic capacity of skulls, memoirs of the National Academy of Sciences; volume 3, 13th memoir" by J.S. Billings and Washington Matthews.
The National Library of Medicine believes this item to be in the public domain. (More information)