International Library of Technology · Scranton, International Textbook Co. · leaf 171
the arm to flyout, thus breaking the circuitat d, d. When the battery ischarging, coil a holds its armature,but if the current becomes verysmall, as it must do before itbegins to reverse and flow backfrom the batteries, the armatureis released, which action releasesthe catch and allows c to fly… … 56 ELECTRIC TRANSMISSION. 15 case, the voltage of the dynamo would drop and the charg-ing current fall to zero. If the circuit were not opened, acurrent would flow from the battery through the dynamoand run it as a motor. Another instance in which damagemight result if an underload switch were not…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 171](https://img.insideoutlibrary.com/img/1024/ia-electricengineer03inte-171-105.webp)
