Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 137
Fig. 9, taken up to 150 volts. If the negative terminal is connected tothe binding post marked 15, then the lower graduation of the 119 18 ELECTRICAL MEASUHEIWENTS. scale is used, the maximum deflection indicating 15 volts. Whenthe latter connection is made the resistance of the instrument isonly…
Electrical engineering
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