d and the passages so contracted that the Britain on the 9th of February a paper, by Archibald General Constderations.—1. A magnet is a bar of products of combustion, smoke and gas, completely Smith, Esq., M.A., F.R.S., was read, ‘‘On the De- steel, the ends of which have opposite properties; choke… … with pipes, F G H, to The direction of the mag- convey cold air‘as fast as netic force in Londen at that already heated es- present is the same as if there were a blue pole 203° The deviation of the compass is a subject ot grea’ to the west of north, and 68° below the horizon, and and increasing…
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