The National Geographic Magazine, Volume 81National Geographic Society, 1942 - Geography Indexes kept up to date with supplements. |
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Page 106
They Strip Bark from Cinchona Trees So the World May Have Quinine Plantation woodcutters fell 10 - year - old trees , then pile the dismembered branches before the Javanese women , who sit cross - legged at their tasks . Later the bark ...
They Strip Bark from Cinchona Trees So the World May Have Quinine Plantation woodcutters fell 10 - year - old trees , then pile the dismembered branches before the Javanese women , who sit cross - legged at their tasks . Later the bark ...
Page 108
... trees in the East Indies . Then some were transplanted from South America . Today Java is chief source of the world's supply . Careful growing has increased quinine sulphate content to an average of 6 or 7 percent . BECAME ALIMEN ...
... trees in the East Indies . Then some were transplanted from South America . Today Java is chief source of the world's supply . Careful growing has increased quinine sulphate content to an average of 6 or 7 percent . BECAME ALIMEN ...
Page 369
... tree . " Actually , of course , it is not a tree but a gigantic perennial herbaceous plant which grows to maturity and is ... trees , which is one reason for the high cost of this wood . Sarsaparilla , obtained from the roots of a forest ...
... tree . " Actually , of course , it is not a tree but a gigantic perennial herbaceous plant which grows to maturity and is ... trees , which is one reason for the high cost of this wood . Sarsaparilla , obtained from the roots of a forest ...
Contents
Sun Shines on San Diego 9 illustrations in color from naturalcolor photographs | 57 |
Taming Flood Dragons Along Chinas Hwang Ho River By OLIVER J TODD | 205 |
Alumina | 462 |
Copyright | |
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