The National Geographic Magazine, Volume 74National Geographic Society, 1938 - Geography Indexes kept up to date with supplements. |
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Page 125
... SAILPLANE PILOT SOARS OVER WINGS DEIGN TO RIDE THE ROAD. 04- 502 04-50 F Photograph by Acme wings lifting power . Why in the name of Newton doesn't the thing come down ? " Actually it is gliding downward . But the air current in which it ...
... SAILPLANE PILOT SOARS OVER WINGS DEIGN TO RIDE THE ROAD. 04- 502 04-50 F Photograph by Acme wings lifting power . Why in the name of Newton doesn't the thing come down ? " Actually it is gliding downward . But the air current in which it ...
Page 126
... sailplane , he becomes a bird himself - a streamlined bird with a 50 - foot span of varnished plywood - and- fabric or light metal wings . But , unlike a bird , he needs a boost before he can climb and soar . Towed by an auto- mobile or ...
... sailplane , he becomes a bird himself - a streamlined bird with a 50 - foot span of varnished plywood - and- fabric or light metal wings . But , unlike a bird , he needs a boost before he can climb and soar . Towed by an auto- mobile or ...
Page 140
... sailplane , flown by the Austrian . soarer , Kronfeld , landed safely , though rid- dled with hail as if it had been exposed to machine - gun fire . Others have had their wings torn off . The adventurous pilots have survived , however ...
... sailplane , flown by the Austrian . soarer , Kronfeld , landed safely , though rid- dled with hail as if it had been exposed to machine - gun fire . Others have had their wings torn off . The adventurous pilots have survived , however ...
Contents
GuamPerch of the China Clippers By MARGARET M HIGGINS | 99 |
Boyhood Recollections and Recent Observations by An American | 419 |
In the Land of Moses and Abraham 25 illustrations in color from natural color photographs | 432 |
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