mail_outline sales@mediastorehouse.com
Heliograph used by British army in AfricaHeliograph used in the British army in Africa, probably during the Boer War (1899-1902). The heliograph is a wireless telegraph that signals by flashes of sunlight (generally using Morse code)
A French Signal Corps with heliographs, telescopes and flagsA French Signal Corps with heliographs, telescopes and telegraph flags. Date: circa 1909
Group photo, Royal Marine Artillery Signallers, October 1902. Equipment on display includes a telescope, a lime light, a signalling lamp and two heliographs. Date: 1902