Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 482
lways be read as indicatingthe figure which they have passed, and not always the one to which theyare nearest. Whether a hand has passed a figure, when it is at or veryclose to it, must be determined by reference to the next lower dial.If the hand of the lower dial has just completed a revolution,… … Fig. 121. WestinghouseWatt-Hour Meter Reading 4989 Kilowatt HoursCourtesy of Commonwealth Edison Company 438 ELECTRICAL MEASUREMENTS 141 may appear to have done so, just as in reading a clock, the hourhand is not read on any hour until the minute hand has completedits revolution previous to that…
Electrical engineering
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