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Scientific American, Vol. 30, No. 24 (1874) (1874)

leaf 4

An illustration from Scientific American, Vol. 30, No. 24 (1874), 1874, leaf 4
, is nearly completed and is soon to be laid, Correspoutlence. we have thought that our readers would be interested in know- ing just how the great conductor was manufactured. We The Zodiacal Light. take the following description from the Engincer. The ca- To the Editor of the Scientific American :… … dered chalk to prevent the coils from adhering to each other flatter and flatter the nearer the center of the circle of B is that the said light is ‘derived from the sun” and reflected by the aid of the sticky tar. We need hardly say that during to the actual center of the line, A B; and as Nature…

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