The National Geographic Magazine, Volume 97National Geographic Society, 1950 - Geography Indexes kept up to date with supplements. |
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Page 810
... lightning smashed the props , pipes collapsed and gas caught fire . Gas in tanks or subsurface mains cannot be exploded by lightning . A Heavy Bomb Could Scarcely Do More Harm than the. Acme enough to light more than 600,000 sixty - watt ...
... lightning smashed the props , pipes collapsed and gas caught fire . Gas in tanks or subsurface mains cannot be exploded by lightning . A Heavy Bomb Could Scarcely Do More Harm than the. Acme enough to light more than 600,000 sixty - watt ...
Page 826
... lightning started 100 fires every day for seven days . Lookouts Guard Against Forest Fires All during the summer thunderstorm season , fire lookouts anxiously scan the horizon for thunderheads . When the lightning begins to flash , they ...
... lightning started 100 fires every day for seven days . Lookouts Guard Against Forest Fires All during the summer thunderstorm season , fire lookouts anxiously scan the horizon for thunderheads . When the lightning begins to flash , they ...
Page 827
... lightning strikes the line , the voltage is vastly increased . This opens the valve , and the lightning current is carried off to the ground without further damage to the line . At ... lightning is the kind that is. Lightning in Action 827.
... lightning strikes the line , the voltage is vastly increased . This opens the valve , and the lightning current is carried off to the ground without further damage to the line . At ... lightning is the kind that is. Lightning in Action 827.
Contents
Arizona Sheep Trek By Francis R Line With 16 illustrations in color from natural | iv |
From Indian Canoes to Submarines at Key West Florida By Frederick Simpich With | xii |
Kunming Pilgrimage 20 illustrations from photographs by John Gutmann and Joseph | xix |
Copyright | |
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