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watthour meters

  1. Doug Kerr

    Challenge for Pictures in a Series: Motif or Concept Watthour meters

    Electrical energy is a major "fuel" of most households and businesses, and many automobiles. The watthour meter is the silent "tallyman" that tots up our electrical energy consumption, so we can pay the electric energy utility company for the energy it provides. And perhaps in the case of homes...
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