The National Geographic Magazine, Volume 92National Geographic Society, 1947 - Geography Indexes kept up to date with supplements. |
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Page 141
... Once its work is done , this structure will be dismantled and again stowed aboard ship . be used . Its entrance channel was deep , but In these rooms lived brilliant tropical fish , crooked and coral - choked . Armed with fresh so tame ...
... Once its work is done , this structure will be dismantled and again stowed aboard ship . be used . Its entrance channel was deep , but In these rooms lived brilliant tropical fish , crooked and coral - choked . Armed with fresh so tame ...
Page 337
... once in a while struggled was once the largest and most nearly perfect feebly . He had evidently struggled a long barkhan , or crescentic marching dune , in the time to get afloat and was getting discouraged . United States . It is 91 ...
... once in a while struggled was once the largest and most nearly perfect feebly . He had evidently struggled a long barkhan , or crescentic marching dune , in the time to get afloat and was getting discouraged . United States . It is 91 ...
Page 401
... once started they vibrate continuously at zenith when the master clocks said it should . the same frequency , 100,000 times per second . If there is any difference , the time of sending Clocks run by the vibrating crystals are more out ...
... once started they vibrate continuously at zenith when the master clocks said it should . the same frequency , 100,000 times per second . If there is any difference , the time of sending Clocks run by the vibrating crystals are more out ...
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