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 453
early eighteen hundred in the whole world, costingabout $1000 a mile and requiring a large number of CHAP. XIII.] ELECTRICITY AND MAGNETISM 427 cable steamers for their laying and repairing. Allthese may soon be replaced by Marconi stations,one of which can be built and equipped forg6o,ooo. 446.… … Traa/sm/tt/a/g Station ^ R£C£/V/A/6 STAT/OAf ,trodes T T,P2 the primary and L2 the secondary wind-ing of another induction coil, E the earth, H amovable pointer, D a variable inductive resistance, Athe vertical transmitting wire. The condenser C is used for the synchronising orattuning of the…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-192-112.webp)
