Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 133
is as shown in Fig. 54. Asingle spark gap whose length is regulated by the pres-sure it is designed to withstand (say 6% inches for 90000.volts) has a wide spreading pair of horns attached, theends being perhaps twelve feet apart. Question 17. How are they attached to line? Answer. One side is… … Lightning arresters—high voltage 133 Answer. The discharge jumps across the gap form-ing an arc. The heat of the arc causes it to rise and asits ends are in the horns it is stretched out long and thin.This cools the arc down and it goes out. While the archolds the charge on the line runs across it…
Electricity
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