The National Geographic Magazine, Volume 92National Geographic Society, 1947 - Geography Indexes kept up to date with supplements. |
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Page 399
... earth National Bureau of Standards broadcasts anis turning . From that turning the whole world other and far more frequent time signal that gets its time . goes out each second ( omitting the 59th of Our giant planet of solid rock ...
... earth National Bureau of Standards broadcasts anis turning . From that turning the whole world other and far more frequent time signal that gets its time . goes out each second ( omitting the 59th of Our giant planet of solid rock ...
Page 401
... earth's turning . For instance , cause the crystals are not affected by variation if the master clocks say the star ... Earth Slowing Down does not matter that they are wrong , since the But absolutely accurate time is a hard thing ...
... earth's turning . For instance , cause the crystals are not affected by variation if the master clocks say the star ... Earth Slowing Down does not matter that they are wrong , since the But absolutely accurate time is a hard thing ...
Page 684
... earth and diverts the particles earth pass on beyond it , far out into space . coming in from the sun . The magnetic poles , We can forecast the long - range occurrence however , are the places where the earth's of magnetic storms and ...
... earth and diverts the particles earth pass on beyond it , far out into space . coming in from the sun . The magnetic poles , We can forecast the long - range occurrence however , are the places where the earth's of magnetic storms and ...
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