International Library of Technology · Scranton, International Textbook Co. · leaf 670
ire loadwas on, the two generators operated in multiple. §28 For notice of copyright, see page immediately following the title page. 2 INTERIOR WIRING. 28 2, In order that light could be secured in case of a break-down of the plant, service wires from the Edison three-wiresystem were brought into… … + //0 + 0 (b)Fig. 1. three-wire system, where arc lamps are. used, are shown indiagram in Fig. 1 [a). A special four-pole double-throwswitch was installed. If there were no arc lamps requiringthat the direction of the current must be constant, onethree-pole double-throw switch, connected as in Fig.…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 670](https://img.insideoutlibrary.com/img/1024/ia-electricengineer03inte-670-396.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-206-87.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-339-192.webp)
