Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 56
Testing sistance into the circuit and thus weaken the fields ofthe dynamo. By moving the bar in the proper direction Ave cantherefore increase or decrease the current strength inthe fields a-nd thus change the number of lines of forcein the armature and these in turn (speed of armatureremaining… … -^ ^j:^
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
