The National Geographic Magazine, Volume 69National Geographic Society, 1936 - Geography Indexes kept up to date with supplements. |
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Page 80
... earth and sky were made at the top of the flight , 13.71 miles above sea level . The earth could be seen plainly under- neath through the lower porthole and hun- dreds of miles in every direction through the side portholes . It was a ...
... earth and sky were made at the top of the flight , 13.71 miles above sea level . The earth could be seen plainly under- neath through the lower porthole and hun- dreds of miles in every direction through the side portholes . It was a ...
Page 700
... earth . The ultra - violet waves that fail to get through to the earth's surface are blanketed out , it has been found , by a relatively small amount of ozone mixed in the air above the earth . Ozone is common oxygen , except that three ...
... earth . The ultra - violet waves that fail to get through to the earth's surface are blanketed out , it has been found , by a relatively small amount of ozone mixed in the air above the earth . Ozone is common oxygen , except that three ...
Page 712
... earth ; The first values were obtained for elec- trical conductivity of the air between 30 , - 000 feet and 72,395 ... earth ) ; The first record was made of the bright- ness of the sun at 72,395 feet ( 20 per cent greater than when ...
... earth ; The first values were obtained for elec- trical conductivity of the air between 30 , - 000 feet and 72,395 ... earth ) ; The first record was made of the bright- ness of the sun at 72,395 feet ( 20 per cent greater than when ...
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Ala Beg Allan Brooks American Anthony Stewart auklet Bahamas balloon Bell birds blue breed bridge California Captain China Chinese coast color plate dovekies eggs Explorer feet fish flight flowers Gate Geographic Society Finlay girl Glacier gold gondola ground head hills horses Hubbard huge Island Japan Japanese Kalmucks Kirghiz kumiss Lake land live look Maori Maynard Owen Williams miles Mount mountain murre murrelet Nassau NATIONAL GEOGRAPHIC MAGAZINE National Geographic Society native nest nomads North painted Peiping Photograph by Richard Plate VII puffin rhinoceros auklet River road Robert Moore rock ropes Sayjan Beg Schnauzer sheep ship Skye Terrier slopes Society Finlay Photograph Society's South South Island stratosphere summer Tatar Tekes tion tower trail trees Valley walls Welsh Terrier West wild winter women yurt Zealand