The National Geographic Magazine, Volume 98National Geographic Society, 1950 - Geography Indexes kept up to date with supplements. |
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Page 287
... turning in opposite directions , absorb the 5,500 horsepower of each Allison gas - turbine engine . Unlike the turbojet ( page 314 ) , the turboprop harnesses the jet of hot gas to turn a turbine that drives propellers . Escaping , it ...
... turning in opposite directions , absorb the 5,500 horsepower of each Allison gas - turbine engine . Unlike the turbojet ( page 314 ) , the turboprop harnesses the jet of hot gas to turn a turbine that drives propellers . Escaping , it ...
Page 312
... turn off by switches in a grip clutched in my right hand . " Always look at the lights straight ahead , " directed ... turn it off . If you don't turn them off , I'll know you've blacked out and can't see them . Occasionally I'll sound ...
... turn off by switches in a grip clutched in my right hand . " Always look at the lights straight ahead , " directed ... turn it off . If you don't turn them off , I'll know you've blacked out and can't see them . Occasionally I'll sound ...
Page 468
... turning around . How the driver managed to back the truck up the mountain around hairpin turn after turn , until we reached a space large enough in which to turn around , I shall never know . Under such dangerous circumstances the South ...
... turning around . How the driver managed to back the truck up the mountain around hairpin turn after turn , until we reached a space large enough in which to turn around , I shall never know . Under such dangerous circumstances the South ...
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