The book Watthour Meter was written by author William Martin Shepard Here you can read free online of Watthour Meter book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Watthour Meter a good or bad book?
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Lugs (as will be seen from the illustration) are furnished so that the coin receptacle can be locked by means of a suitable padlock. The manufacturing companies have perfected the prepayment device to such a degree that it is as trust- worthy as the gas meter device, and they have de- signed it so that "beating" is practically impossible. When a coin is once placed in the slot, the knob can- not be turned back until a half 'turn has been com- pleted and the coin has dropped into the chute. A co...in of smaller dimensions than that for which the slot is designed will not allow the knob to be turned. The credit knob is provided internally with a sharp edge which will shear off any thread or fine wire that may have been attached to the coin with fraudulent intentions. 100 THE WATTHOUR METER The prepayment attachment for the electric meter has the advantage over the gas device in that it may be placed at any point remote from the meter which it controls. The electric meter may be in the attic, the basement or on the back porch, and the prepay- ment device in the kitchen or other convenient place.
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