Issue 9 and Volume 38.

FIRES FROM LIGHTNING MORE COMMON NOWADAYS. Up to the time of the introduction of water pipes in buildings the Franklin rod was a fair success as a lightning conductor, this being accounted for by the fact that the atmospheric electricity, while flowing to the earth, divided into numerous branches, of which the rod received one branch and the adjacent houses, trees or other objects the other branches. Since the introduction of the underground water, gas and other metal pipes, railway tracks, wire fences and electrical wires, the atmospheric electricity concentrates and flows to such an extended metal conductors and the earth in from one to four main paths. I he metal linials. rtdgings. gutters, metal roofs, r in leaders, ventilating, gas, water and drainage pipes, elect ri# light conduits (iron tubes), metal laths, ceilings, etc . although electrically insulated from each other, offer a greater scope and a hundredfold greater…

Subscribe to unlock this content

Subscribe Now