Eliminating corrosion in the power plant : Weir optimum de-aerator Three pdr. light field gun equipment (47 mm canon d'accompagnement d'infanterie) Guns, rifles & accessories / Alex. Martin Ltd. Two pdr. light field gun equipment (40 mm canon d'accompagnement d'infanterie) : Plan, firing position, on wheels, Drg. nr. Z 3442 London Electrical Manufacturing Co. (LEM), Silvered mica condensers Barr & Stroud. IR18 Mark II thermal scanner
