Zucker & Levett & Loeb co., New York, [from old catalog] comp · New York, Zucker & Levett & Loeb co · leaf 36
done. Byarranging the cells in series the pressure or voltage ofthe current is increased without increasing the quantityor amperage. By arranging them in parallels the quantityor amperage is increased without increasing the pressureor voltage. By arranging them in series parallel both thepressure… … Figure i6. CHAPTER VI. SWITCHBOARDS AND VOLTMETERS. Switchboards or resistance boardsare used to regulate the current. Thelonger and finer the various wires ona switchboard, the greater the resist-ance and the smaller the current. It is thus possible, by using aswitchboard having a number of…
Electroplating · Grinding and polishing · Bicycles and tricycles
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