rything was safe. If the pre- It is, perhaps, needless to say that great care should of satisfaction from these experiments in electric light- cautions advocated were taken, no danger could arise be exercised in handling the solution, as it is poisonous ing. until the arrival of the ship at her… … Copper wire, No. 18 or larger, should be used for Fig. l.-ARRANGEMENT OF CARBON AND ZINC PLATES. Fig. 3.-LAMP SUPPORT. making the connections. The battery will run con- tinuously with a single charge of the solution for about In conclusion, Professor Lewes remarked that the that may be purchased…
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