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Scientific American, Vol. 41, No. 25 (1879) (1879)

leaf 3

An illustration from Scientific American, Vol. 41, No. 25 (1879), 1879, leaf 3
n a field in to furnish an attacl- which such an in- novation has long ment for car and been needed. steamboat berths to facilitate entering The Hercules was built two years ago and leaving the berths, and to pre- for a tug boat, and was constructed on vent occupants of the usual model for berths… … intended for inshore ing a grooved cavity service, and is ex- or slot in or through pected to be of the arm longitudi- moved forward, causing the wheel to revolve. On pressing special value in times of light or contrary winds, when the nally in its upper or inner side, the eye, and the head. An…

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