ly by reversing the first construction of the machine,and inserting hollow poles in whose interior revolve thedivided cylinders. A machine constructed on such a prin-ciple figured at the International Exhibition of Electricity,and is shown in the accompanying cut. It consists of a long… … Ships that Cannot Sink. Capt. R. B. Forbes, inventor of the well knownForbes rig for ships, makes the following very practicalsuggestions: Supposing this ship to be built of steel, and to be dividedinto at least ten compartments on two decks, exclusive ofthose occupied by the motive power and the…
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