Signallers from 2nd Royal Battalion (Ludhiana Sikhs), 11th Sikh Regiment, 1936

Photograph, Waziristan, India, North West Frontier (1920-1937), 1936.

The heliograph was a vital means of communication in the mountainous regions of the North West Frontier. It allowed Indian Army units to rapidly react to tribal disturbances.

From an album of 50 photographs associated with 2nd Royal Bn (Ludhiana Sikhs), 11th Sikh Regiment.