Modern Gasworks Practice

326 MODERN GASWORKS PRACTICE discharged and the coke be deposited on the quenching beuch in 35 seconds, while in another 10 seconds it is ready in position for a f urther charge. In addition, there is an absence of those influences liable to produce “ manufactured ” breeze, whifa many sources of corrosion and damage are avoided. as no water or steam is continu-ously escaping inside the building. The travelling motor for a machine of normal size is of 7 h.p., and the hoisting motor is of 12 h.p. Electric Telphers Transporters operating on the telpher principle are of fairly recent introduction, having first been installed in this country by Siemens Brothers in 1903. There can Fig. 240.— Standabd Telpheb Cabbiagb (Steachan & Hbnshaw’s Type). be no question that they are destined to play a prominent part in gasworks methods of the future. Telphers are mainly of two types, namely, those accompanied by an attendant, and those in which the whole of the movements are automatic and controlled elec-