n a victoriou.s proof of pitch, since it then attacks the air at an angle that is so much the smaller in proporlion as the recoil is less. It is thus ral months, we constructed a large number of mechanical the superiority of the aeroplane over all the apparatus that birds of all sizes and various… … solving the problems that she the pressure never exceeded 7). herself has worked out, and we Its weight >was only 700 Fig. 3.-EXFERIMENT AT CHALAIS-MEXTSON. ) 1884 SCIENTIFIC AMERICAN, INC
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