. Electric locking . fig. m m fig. 175. Lock Circuit Selections. In Fig. 173b the lock wire andbattery feed wire selections are shown. The battery feed wire isselected on levers 2 and 3 so as to feed other locks through wireT if either one is reversed. The selection on lever 4 is made sothat locks will receive energy through other stick relays by con-nection V. Lock wire is selected on levers 2 and 3 to connectwith other track relays by connection U and to feed locks D and 168 SECTIONAL ROUTE LOCKING C when switch 2 or 3 is reversed. Wire R will connect to bat-tery through other stick re
. Electric locking . fig. m m fig. 175. Lock Circuit Selections. In Fig. 173b the lock wire andbattery feed wire selections are shown. The battery feed wire isselected on levers 2 and 3 so as to feed other locks through wireT if either one is reversed. The selection on lever 4 is made sothat locks will receive energy through other stick relays by con-nection V. Lock wire is selected on levers 2 and 3 to connectwith other track relays by connection U and to feed locks D and 168 SECTIONAL ROUTE LOCKING C when switch 2 or 3 is reversed. Wire R will connect to bat-tery through other stick relays. Figs. 174 and 175 show lay-outs with signals added to the diagrams. In Fig. 174 two stickrelays are required and an overlap lock wire P is necessary. InFig. 175 the same number of relays are required and an overlappick-up wire N is necessary. In view of previous descriptionthese figures should be readily understood. Applications. Most of the previous remarks as to applica-tions will also apply to this system and in additi
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