National Telegraphic Union · New York : N.T.U. · leaf 360
aris, at not too greata distance from the centre, to all parts, in fact,except what we may call the outskirts, are deliveredwithin an hour (frequently less) from the time they areaccepted at the Bureau. A bulletin is sent with the despatches, indicating the hour sent, which the recipientis required… … A New Calvanic Battery. A new battery, which promises to be an extremelyuseful instrument, both to the physicist and the therapeu-tist, has been recently brought under the notice of theChemical Society by Mr. De la Rue and Dr. HugoMuller. The following account of it is given in thePopular Science…
Telegraph
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