Heliograph, two 5 Inch mirrors, Mark V, allows for daylight visual signaling up to 100 Km distance.
Signaling is done by shifting the signaling mirror.
Made by Barringer Wallis & Manners Ltd., Nottingham, England.
Used by the British military from 1906 until 1960. Main signaling equipment for Battalion, Brigade and Division levels in WW1.
Used by the Palestine Jewish Settlement Police, the Haganah Signal Service and the IDF Signal Corps, until early 1950s.
Weight: 3.6 Kg (with leather case, without tripod).
