The National Geographic Magazine, Volume 67National Geographic Society, 1935 - Geography Indexes kept up to date with supplements. |
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Page 266
... feet above the earth and more than 62,000 feet above sea level , is reproduced on page 270 . By triangulation from these photographs of the earth taken vertically downward , the altitude of the balloon at every minute - and- a - half ...
... feet above the earth and more than 62,000 feet above sea level , is reproduced on page 270 . By triangulation from these photographs of the earth taken vertically downward , the altitude of the balloon at every minute - and- a - half ...
Page 386
12,000 FEET , AND CRILLON'S PEAK STILL BECKONS The final ridge drops eastward in a curious knife - edged crest , tufted with many miles of rock pinnacles and snowy cornices , before it merges with the smooth surface of the Brady Glacier ...
12,000 FEET , AND CRILLON'S PEAK STILL BECKONS The final ridge drops eastward in a curious knife - edged crest , tufted with many miles of rock pinnacles and snowy cornices , before it merges with the smooth surface of the Brady Glacier ...
Page 796
... feet against 179 feet for the Explorer I. The additional 13 feet of diameter , seemingly a small factor , add 700,000 cubic feet to the volume of the balloon , and 15,157 square feet , or more than a third of an acre , to the area of ...
... feet against 179 feet for the Explorer I. The additional 13 feet of diameter , seemingly a small factor , add 700,000 cubic feet to the volume of the balloon , and 15,157 square feet , or more than a third of an acre , to the area of ...
Contents
Lifes Pattern on the Italian Riviera By HELEN CHURCHILL CANDee_ | 67 |
ill | 137 |
graphs by G C MATSON | 145 |
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