Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 427
rgy from extra-currents and sparks produced. 400 ELECTRICITY CH. xxiir. It may also be stated, as generally true, that it is easier toconstruct alternate current machines which shall give a very highE.M.F. than it is to construct machines which shall give a currentof high E.M.F. in a constant… … their axes being parallel to the axis of rotation. Three of thesecoils are diagrammatically represented in the figure. These coils rotate between the opposed poles of a series otelectro-magnets, arranged round the circumferences of two otherwheels, as indicated in the figure. The large dotted arrow…
Electricity
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