Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 310
n to carry with him enoughplates to replace those removed and to carry back to 307 308 Operating and Testing the laboratory for weighing all the plates removed.This type of meter had other disadvantages amongwhich was the inability of the consumer to check thereadings, and the fact that the meter… … rWWWV ^WVWM Figure 182 sumers the number of lamp hours or the number ofampere hours used during the period. The first me-chanical meters were simply recording ammeters andregistered the amount of ampere hours or lamp hours.At the present time the wattmeter is used almost ex-clusively. The watt is…
Electrical engineering · Electric testing
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