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Scientific American, Vol. 25, No. 14 (1871) (1871)

leaf 4

An illustration from Scientific American, Vol. 25, No. 14 (1871), 1871, leaf 4
els honor of a true scientist. Semel insanivimus omnes. writing. This paper being passed between the ends of the under the bottom, and many other inventions, have been wires forming part of the circuit, or between devices of vari- made, some of them really accomplishing the end sought, as we hope… … itis claimed, about three times as fast The stern may be similarly constructed as the method hitherto used. It is if desired, so that the boat may run in HOOPER’S IMPROVED CANAL BOAT. either direction equally well. worked by keys, the punching not being performed by the power of the hand, but by…

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