Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1378
s. Protection of Cable Systems.—It is frequently necessary,and desirable for circuits to dip underground when passingthrough cities, under rivers, etc., and in these cases some Lightning Arresters 1343 form of metal covered cable is generally used. Eesonanceinvariably produces high potentials at… … Fig. 634 2,200-volt, form fl, lightning arrester, discharging and shunting the dynamic current
