International Library of Technology · Scranton, International Textbook Co. · leaf 341
ld-style Thomson-Houston Elieostat.—Whenthe rheostatic control was first introduced, a rheostat similarto that shown in Fig. 6 was used. The figure shows thedevice upside down from the position it occupies on a car.F, F, Fare feet cast on the frame; these feet are drilledand provided with… … of which rests the controller handle. The sprocket wheel issmaller than the drum, so that in order to move the trolley,contact shoe S from the off-position O to the on-position L,it is necessary to give the controller handle from two tothree complete turns. This insures a smooth handling ofthe car…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 341](https://img.insideoutlibrary.com/img/1024/ia-electricengineer04inte-341-143.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1149-511.webp)
