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 1378
Fig. 634 2,200-volt, form f2, lightning arrester, discharging and shunting the dynamic current … Fig. 635single-pole arrestee Whenever lines contain both inductance, and capacityin appreciable quantities, high voltages, which endangerthe insulation of the whole system, and which it is impossi-ble to detect on ordinary switchboard instruments mayexist. Abnormal voltages are therefore often…