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Scientific American, Vol. 37, No. 22 (December 1877) (1877)

leaf 8

An illustration from Scientific American, Vol. 37, No. 22 (December 1877), 1877, leaf 8
the exhaustion. A The engraving of the capercailzie, given herewith, repre- into chemical combinations entirely insoluble, not only in sents a male bird uttering the curious calls which it makes small vacuum tube with aluminium wires a quarter of an water but in soft soapsuds. The first method,… … thod; but by practice it may soon dental and not intentional constitu- THE GAFEECAILZIE. ba judged by the smoother and ent of that particular rubber, and firmer appearance of the plas- was contained in the sulphur. ter, and by its hardness as felt by the finger nail. The tent that an induction…

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