Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 206
ither a shunt or series winding. Both windings arenot necessary. Figure 136 shows a type of lamp which is operatedwith a series winding only. In this case the current 204 Operating and Testing strength varies with the distance apart of the carbons.When the current becomes stronger the magnets… … Figure 137 often used on alternating current circuits. E is areactance which with alternating currents takes theplace of the resistance used with direct currents andprevents excessive rise of the current strength whenthe lamp is started. It is evident that a lamp of thistype could not be used on a…
Electrical engineering · Electric testing
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