We have always considered and collected these commercial masks and helmets as industries tribal art. Examples can be elegant in their simplicity or bazaar and complex. They are always unique, suprising and filled with personality.
1800s Skull Tracing Machine
This device will trace a skull through the movement of a pointer. The movement of the pointer, in tracing an object, produces identical movements in a second pen. An identical copy will be drawn by that pen fixed to the other on the board behind the object. This machine is signed "Lenoir and Forster, WIEN, IV." These tracers were used for Phonology and comparative studies of the human form... $3400