The Technical World Magazine, Volume 15Technical World Company, 1911 |
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Page 210
... wing which , during flight , becomes con- vex and appears in- have a more ample flight , possess nar- rower wings which , in addition , facilitate their veerings . their veerings . The wing stretches in proportion as the bird , from ...
... wing which , during flight , becomes con- vex and appears in- have a more ample flight , possess nar- rower wings which , in addition , facilitate their veerings . their veerings . The wing stretches in proportion as the bird , from ...
Page 211
... wings . When these birds rest on an ele- vated support , it is sufficient for them to let themselves fall in order to acquire the start or indispensable spring for the action of the wings . The necessary effort for flight is ...
... wings . When these birds rest on an ele- vated support , it is sufficient for them to let themselves fall in order to acquire the start or indispensable spring for the action of the wings . The necessary effort for flight is ...
Page 213
... wings ; the shifting of the wings comes into play and as the total mass of the body and of the wings requires much greater energy in order to be displaced from its equilibrium , it is the wings alone that feel the effect of the changes ...
... wings ; the shifting of the wings comes into play and as the total mass of the body and of the wings requires much greater energy in order to be displaced from its equilibrium , it is the wings alone that feel the effect of the changes ...
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acre alfalfa American automobile average ball Batik birds building built bushels canal cent Chicago coal color Colorado concrete construction cost crop cylinder dollars eggs electric engine fact factory farm farmer feet fire firebox five four fruit gasoline glacier growers guinea pigs heat hobble skirt horse hundred inches invention Keokuk land light lobster locomotive loess Los Angeles machine manufacture match ment method miles million motor muskeg operation orchard ostrich phossy jaw photograph plant pounds produced Quebec bridge railroad result river road rock saving ship side speed station steel stream Tampico telegraphy tenant thing thousand tion tons town trains trees tricity truck Tuxpan River twenty Valley vanadium West white phosphorus wings wire wireless York