Head spanner in wooden box

Head spanner in wooden box, c.1896, with printed instructions on the use of it inside of the lid box.

Details

Category:
Psychology, Psychiatry & Anthropometry
Object Number:
L2010-4087
Materials:
wood (unidentified) and brass (copper, zinc alloy)
Measurements:
overall (box): 285 mm x 365 mm x 40 mm,
type:
head spanner
credit:
Galton Collection, UCL