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). Senate · Washington [D.C.] : Office of Printers to the Senate · leaf 628
y the vessel—is 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 organisms, is antipodal to ours—that ideas which prevailwith her are wide of those by which our engineers are… … 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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