are stored or charged from the same dy- trouble some degree of ingenuity has been called upon. when large, a single generating plant is used to light namo that lights the cars. four or five cars. Not only is economy of generation The use of a storage battery as the immediate pro- Just under the… … THE BARRETT mechanism the batteries are thrown into or out of the trated and described by us.* This class of plant certain- ears have no encumbering engine to take up room and dynamo circuit as required. When they run down and ly has done excellent work, but has its attendant dis- heat the cars,…
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