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 156
ans ofusing electrical pressure at a low potential, if neces-sary, inside of buildings, increasing that pressure toa great extent out of doors and reducing it again to asafe potential when w^e enter the premises w^here poweris to be used. 151 152 Operating and Testing Since we can raise the… … Figure 97 An illustration of such an installation is diagram-matically shown in Figure 97. The transformer Tnearest the dynamo is known as a step up and theother as a ^step down transformer. A step up wvwW
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
