Lightning A Study of Lightning Rods and Cages, With Special Reference to the Protection of Oil Tanks

Former papers have discussed the voltage and nature of lightning, lightning voltages on transmission lines, and means of protecting against them, the effect of lightning voltages on insulations, etc. This paper is a further report on this investigation which has been in progress a number of years. Special attention is given here to additional work on the chance of objects being struck; the area protected from direct strokes, by a rod or number of rods, overhead wires, grids, nets, etc.; the effect of nets and cages in reducing induced voltages, etc. This work is particularly applicable to the protection of oil tanks, buildings, magazines, etc.