Galton's sun signal
Sun signal or hand heliostat. Painted dark green instrument in velvet-lined leather covered box (purple) Other observations: Communications. See LDUGC-221 - instruction leaflet for operation of Galton's sun signal. Eugenics Department.

Troughton and Simms

c. 1860

London

Object invented by Sir Francis Galton

brass, Leather

Galton Collection

LDUGC-007

464000007

UCL Galton Collection