40 mm 2 Pdr. automatic gun - 50 cals / Vickers-Armstrong Ltd Vickers anti-aircraft fire control gear : general description of the front line predictor and method of operation (type A) / Vickers-Armstrong Ltd. Vickers anti-aircraft control gear : drawings of predictor / Vickers -Armstrong Ltd. Vickers anti-aircraft fire controle gear : specifications of predictor and equipment / Vickers-Armstrong Ltd. Vickers anti-aircraft fire control gear : description of systems of fire, duties of operators and sequence of events in action for the Vickers predictor / … Anti-aircraft fire control gear drawings / Vickers-Armstrong Ltd.
