Aeroplane and Commercial Aviation News, 85. kötet1953 |
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1 - 3 találat összesen 31 találatból.
31. oldal
... April , 947 ? In the issue of April 25 , p . 437 , Mr. S. F. Wilder , of fassachusetts , predicted that with the advent of supersonic ircraft , the accumulation of sound waves emanating from an ircraft travelling at M1 , would appear to ...
... April , 947 ? In the issue of April 25 , p . 437 , Mr. S. F. Wilder , of fassachusetts , predicted that with the advent of supersonic ircraft , the accumulation of sound waves emanating from an ircraft travelling at M1 , would appear to ...
62. oldal
... April 1 the two were finally welded into the Royal Air Force . The Ministry of Munitions had taken over aircraft production at the end of 1917 . Training developments during 1917 included the establish- ment of schools of special flying ...
... April 1 the two were finally welded into the Royal Air Force . The Ministry of Munitions had taken over aircraft production at the end of 1917 . Training developments during 1917 included the establish- ment of schools of special flying ...
4. oldal
... April . The R.A.F found plenty of targets in the advancing troops , but artillery co - operation was severely hampered . German aircraft were active and casualties were heavy . On April 21 Capt . von Richthofen , who had become a ...
... April . The R.A.F found plenty of targets in the advancing troops , but artillery co - operation was severely hampered . German aircraft were active and casualties were heavy . On April 21 Capt . von Richthofen , who had become a ...
Tartalomjegyzék
Farewell Party 682 | xv |
Bell 47D Helicopter 209 | 7 |
Summers Capt J Mutt | 3 |
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