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

leaf 3

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

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