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 This vast enough to light more than 600,000 ...
... 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 This vast enough to light more than 600,000 ...
Page 812
... Lightning's Passage Fuses Sand into Hollow Tubes Known as fulgurites. buildings of large cities offer better protection from lightning strikes . They usually also con- tain water and heating pipes that act like lightning rods to carry ...
... Lightning's Passage Fuses Sand into Hollow Tubes Known as fulgurites. buildings of large cities offer better protection from lightning strikes . They usually also con- tain water and heating pipes that act like lightning rods to carry ...
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 the ... lightning is the kind that. 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 the ... lightning is the kind that. Lightning in Action 827.
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