The National Geographic Magazine, Volume 74National Geographic Society, 1939 - Geography Indexes kept up to date with supplements. |
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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 136
... sailplane flyers give as well as take . In return for weather maps and forecasts they provide many an odd bit of information about the ways of this all- pervading element , the air . For example , sailplane pilots , using ther- mal ...
... sailplane flyers give as well as take . In return for weather maps and forecasts they provide many an odd bit of information about the ways of this all- pervading element , the air . For example , sailplane pilots , using ther- mal ...
Page 138
... 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 |
A Motor Caravan Rolls Across Sahara and Jungle Through Realms | 327 |
Boyhood Recollections and Recent Observations by An American | 419 |
Copyright | |
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