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Scientific American, Vol. 6, No. 20 (February 1, 1851) (1851)

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An illustration from Scientific American, Vol. 6, No. 20 (February 1, 1851), 1851, leaf 0
ered Silvering Clock Faces, Barometer Plates, &c. B B are thecultivator teeth ; C is the pole of ly hollow. The uridersides have two side pro- prudent. The superintendents and engineers Mix together equal parts of muriate of sil- the implevement ;D is the axle of the wheels, jecting flanges or… … swamps between Navy Bay and Gatun 24 feet lishing with leather. It offers a much more attention. We believe that it will receive it, channel between, and the upper surface has a lowtr than the Atlantic: The grade of the brilliant and smooth surface than that of the and that it will be generally…

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