opiny plant motors. One battery will actuate for a year an in- been employed. This battery, in fact, does not wear grew rapidly, and in a few years was an impenetrable duction coil operating ten hours a day. It likewise away in open circuit and uses the products only in pro- chevaux de frise, a… … the most economical hedges their practical arrangements NEW ARRANGEMENTS OF THE DE LALANDE OXIDE OF COPPER BATTERY, on a cattle range. and a few simplifications that In this connection it is in- reduce the net cost. The oxide of copper is now placed in cylindrical boxes of a source of feeble…
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