Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 365
superior infusibility and higher resistance, and partlybecause of the remarkable property of carbon of offeringa lower resistance when hot than when cold. Thisproperty, which is the reverse of that observed in metals,renders it lessliable to becomeoverheated.The forms ofseveral incan-descent… … Fig. 140 Edison (2) now uses a thinflat strip of carbonised bamboo instead of a filament.Maxim (3) uses a preparation of paper. Lane-Fox (4)and Akester (6) use prepared and carbonised vegetablefibres. Crookes (5) employs a filament made from animalor vegetable matter parchmentised by treatment…
Electricity · Magnetism
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