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Scientific American, Vol. 34, No. 14 (1876) (1876)

leaf 6

An illustration from Scientific American, Vol. 34, No. 14 (1876), 1876, leaf 6
This is used principally as a lubricant for railway engines Sikok; but it thrives best in the southern portion of the the communication with the earth is restored, by which the and cars. In some cities the only use to which this tar is electricity of the same kind as that in B is carried off. If a… … results are obtained in winter. When the campbor collec- hibited, showing that the india rubber covering had been formed: one from A to B, another from B to A, and a third tors find a spot with several camphor trees in the vicinity, pierced by grass. The piercing was so complete and the con- from B…

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