834 (Supplement to The Aeroplane.) AerOnaUtlCal Engineering August 27, 1919 … Armstrong, Whitworth Newcastle ~ upon -tyne. TELEPHONE > 500 GOSFORTH. TELEGRAMS:- ARMSTRONG AVIATION, NEWCASTLE - ON -TYNE. The Aeroplane on Survey Work. The value of the aeroplane in survey work is incalculable. By no other means can the study of vast areas still awaiting survey in lands such as…
Aeronautics -- Periodicals
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