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 618
al indescending, have the superior lobe prolonged; while insuch as fly or forage upwards and consequently to whoma maximum of velocity in that direction is indispensable,the inferior one extends beyond its fellow. Furthermore,the degree of ineqiiality is proportioned to the anglesformed by the… … lateral evidence, extensive and emphatic, in support of the proposition that 614 Doc. No. 20. tiie more rapid the flight the longer and narrower, within certain bounds,must be the blades of propulsion. This inequality in motive organs is believ.ed to be unique : nothing like itoccurs in other…
United States. Patent Office · Patents · Inventions · Aids to navigation
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