Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 610
is equal to twice the height of theconductor. In the erection of lightning condvictors, and in instructionsdrawn up for this purpose, the case a has alone been taken intoconsideration, and even within these restricted conditions it doesnot appear that sufiicient allowance has ever been made for… … 588 ATMOSPHERIC ELECTRICITY [478^ rod. The relative advantages of copper and iron have frequentlybeen discussed. Iron appears preferable if magnetic permeabilitydoes not come into play. The experience of more than a centuryshows that Franklins lightning conductor is an efficient protectionin the…
Electricity · Magnetism
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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