Ceiling Hook 3 : Consists of a pole from 2. 14 m to 2. 44 m long, having at the top a steel point with a spur at right angles, the spur and point being each about 102 mm long
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}