Water Spray Projector : A nozzle fitted to a pipe of a water spray projector system and designed produce a high pressure water spray for the protection of apparatus in which burning oil is the principal fire risk. (BS 422(4))
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}