Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 223
seen that a single resistance across the mercury cupswould not answer entirely satisfactorily, as with only one or twolamps the dimness produced would not be sufficient, or again, if itwere made sufficient, the lamps would be practically extinguished ifthe full or nearly full complement of lamps… … Q Q. Fig. 228 principle might insert lamps of a low voltage, and thus continue using the current without inserting any coins. Of course, practically, that would not be possible, as the in-spector, when he came round, wouldat once notice that the meter had beenput out of balance ; but the…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
