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.
1941 Mark II Heliograph
The Mark II military heliograph dates to WWII
The use of the heliograph has a history stemming back to the early nineteenth century although it was popularised for British military use during the Second Boer War and continued to be used up until the 1960s. The tripod is signed MIS-CAN-ADA Ltd
A heliograph is a wireless telegraph that signals by flashes of sunlight (generally using Morse code) reflected by a mirror.The flashes are produced by momentarily pivoting the mirror, or by interrupting the beam with a shutter. The heliograph was a simple but effective instrument for instantaneous communication.
A pretty much complete heliograph with original tripod this set is in nice condition having clear mirrors with a flake on one of the mirrors... $450