Report of the commissioner of patents, for the year 1849 (1850)
United States. Patent Office, Ewbank, Thomas, 1792-1870, Lincoln, Abraham, 1809-1865. Improved method of lifting vessels over shoals, United States. Congress (31st, 1st session : 1849-1850). House · Washington [D.C.] : Office of Printers to House of Reps. · leaf 628
one so unphilosophical, that it probably will not besanctioned much longer. From the foregoing, it is most manifest, that natures plan of increasingspeed in aqueous organism^, is antipodal to ours—that ideas which prevail:with her are wide of those by which our engineers are governed.* An… … Let the dark triangular part of the figure (1.) o, o, o, be the caudal paddleof a jaculator, fresh water bass or cod—all slow swimmers. Now, the pro-blem is, to make the same amount of propelling surface give double or tre-ble velocity to other fish of equal or even greater bulk—to impart, for…
United States. Patent Office · Patents · Inventions · Aids to navigation
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