The National Geographic Magazine, Volume 98National Geographic Society, 1950 - Geography Indexes kept up to date with supplements. |
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Page 281
... speed indicator . As our jet plane smoothly gathered momentum , the hand moved up to 510 , to 520 . In a mere training plane we were traveling nearly a hundred miles an hour faster than any American fighting aircraft flew in action in ...
... speed indicator . As our jet plane smoothly gathered momentum , the hand moved up to 510 , to 520 . In a mere training plane we were traveling nearly a hundred miles an hour faster than any American fighting aircraft flew in action in ...
Page 287
... speed is " more than 350 miles per hour . " Turboprop power is now being tried in transports ( page 321 ) . National Geographic Society 289 = ☆ = Kodachrome by Rudy. 287 and at Wallops Island , on the Virginia coast . Results of all ...
... speed is " more than 350 miles per hour . " Turboprop power is now being tried in transports ( page 321 ) . National Geographic Society 289 = ☆ = Kodachrome by Rudy. 287 and at Wallops Island , on the Virginia coast . Results of all ...
Page 288
... speed in mere miles per hour , each plane now has its " Mach number . " Mach 1 indicates the speed of sound ; Mach .95 is 95 percent of it ; Mach 2 would be twice it ; and so on . Strange Effects at Speed of Sound As they approach Mach ...
... speed in mere miles per hour , each plane now has its " Mach number . " Mach 1 indicates the speed of sound ; Mach .95 is 95 percent of it ; Mach 2 would be twice it ; and so on . Strange Effects at Speed of Sound As they approach Mach ...
Contents
Copraship Voyage to Fijis Outlying Islands By Marjory C Thomas 121 | viii |
Down the Susquehanna by Canoe By Ralph Gray With 45 illustrations in color from | xvi |
Here Come the Marines By Frederick Simpich 647 | xxii |
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Air Force ALEXANDER WETMORE American Anthony Stewart Aymará Big Schmidt boats bridge bromeliads built Canal canoes Cape Castle Chesapeake Chesapeake Bay climbed Colors copra crossed Culver Cusco Delaware Editorial Staff engine exploring famous feet Fiji Fijian fish flowers flying French galaxies Geographic Society Kodachrome giant Harbor head Helena Inca Indian Island Kip Ross Kodachrome Kodachrome by Walter Kodachrome by Willard Lake land Lawrence looked Machu Picchu MELVILLE BELL GROSVENOR miles an hour Montreal mountain NATIONAL GEOGRAPHIC MAGAZINE National Geographic Photographer National Geographic Society night Palomar pilot plane plant porcupine Porky Puya Puya raimondii Quebec Quechua quills River road Robert F rock sailed ship shore Sisson South speed stars Stewart and John stone streets Susquehanna Swiss tail telescope tiny town trees Valley village walls watched