[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 153
that is, the field spools should be in a circuit, inde-pendent of the working circuit. This subtracts somuch from the useful output of the machine, butthe wire is fine and long and is of sufficient resist-ance to allow only about one one-hundredth of thewhole current to pass. The magnetism thus…
Electricity
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