This picture shows the Forward Arca Anti-Aircraft Sight on a Lewis gun mounted on the Forward Arca Anti-Aircraft mounting for Lewis guns Design of Quadrupod Mounting for .5 inch Browning air-cooled machine gun Combined field and high angle mounting for 37 mm 1.457 inch A.W.-Colt automatic gun Ordnance Q.F. 1.59 inch (40.4 m/m) 15.4 calibres. Arrangement of gun and tripod mounting. Firing position Ordnance Q.F. 1.59 inch (40.4 m/m) 15.4 calibres. Arrangement of gun and tripod mounting. Carrying position (W.W.I - 1914-1918) Sgt.-Maj.Lehfeldt of the Canadian Mounted Military Police. August, 1916 Rheinmetall 105 mm SLR-gun mounted on Shark - Light armoured fighting vehicle
