Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1369
e gap, GL. The illustration (Fig. 631) of the 2,200volt arrester shows that the low resistance actually performsthis function. This breaking back effect is valuable indischarging lightning of low frequency, in a manner betterthan has been obtained before. 1334 Steam Engineering After the spark… … Fig. 630installation of a 12,000-volt, thkee-phase, multigap light-ning arrester in the garfield park sub-station of thewest chicago park commission group of gaps^ GM^ until the end of the half cycle of thegenerator wave. At this instant the medium resistance^ M,aids the rectifying quality of the…
