Channing, William F.(William Francis),1820-1901 · Boston : Thomas Hall · leaf 218
ater than in the commonform. As a general remark, the electro-magneticmachines, as commonly made, may be improved inefficiency by increasing the diameter of the wire of * Treatise on Electricity, vol. iii. p. 602. ELECTRO-MAGNETIC APPARATUS 209 the secondary coil, and making it of copper.… … 330. The handles used to make contact withthe surfaces or cavities of the body are an essentialpart of the means of medical electricity. In addi-tion to those before described, (§ 35,) the follow-ing forms deserve to be noticed. They all have ascrew cup at one extremity, and a shank of…
Electrotherapy · Medicine, Physical · Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
