British Clinometer Sight, Mark IV – 1944 Dated Edged Weapons including the Lee-Enfield series

including the Lee-Enfield series

and other security forces during counter-insurgency

3 Mk I switch was one of the earliest and most advanced pressure switches produced by British ordnance for clandestine warfare

303 MK 1V Flat bottom oiler

British Clinometer Sight, Mark IV – 1944 Dated Edged Weapons including the Lee-Enfield seriesA WWII dated British Clinometer Sight, Mark IV, manufactured in 1944, stamped with military acceptance marks. This optical mechanical sighting instrument was used for indirect fire calculations, primarily with the Vickers Medium Machine Gun and also adaptable for small artillery pieces and mortars. Its purpose was to accurately measure elevation and depression in degrees, allowing crews to lay down sustained indirect fire on pre registered targets.