- Further information in regard to this invention may be length to ride several waves at once, and thus avoid pitch- obtained by addressing Mr. A. Olsen, 181 Richard street, tained; and, although the vessel is very long, it may be ma- ing, and having breadth of beam sufficient to prevent roll-… … oped a rolling friction of only four or five pounds per ton, paddle wheels to revolve in a plane parallel with the length OLSEN’S PONTON STEAMER.—MANEUVERING. or actually only half that given in engineering note books. of the vessel, or at right angles thereto, as shown:in Fig. 2, HO or, if…
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