direc- to compete with steam, it is far cheaper than foot tions on each section, so that both coils unite in power, and sure to find favor with the seamstresses producing a north pole in one .of the open spaces and dressmakers who suffer from using the treadles. and a south pole in the other. The… … extensively as a source of power. Fig. 6.-THE LARGE EDCO BATTERY Fig. 5.- THE EDCO FAN BATTERY. are in pairs, and the shape of the The engraving, Fig. 8, represents commutator is such that one brush the motor in connection with a commutator before its according to Mr. Griscom's method, by putting…
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