Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 89
ur orso until any gas adhering to the plates has been disengaged,and then to test each cell separately with the small volt-meter. CHAPTER III. INDUCTION COILS. -.-■ RuhmkorfFs Coil.—Medical men are well acquainted withthe general appearance of the small coils used for producingthe faradaic current;… … Fig. 19.—Diagram of Small Induction Coil. induction, together with descriptions of experiments on in-duced currents. In the same place the technical terms primarycoil and secondary coil are defined. It is difficult to describean induction coil without using technical expressions, but theseare…
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