ritish Aviation — for it to take a very large number of aeroplanes to give must be remembered that anything which injures the 5,000,000 trips of even 15 minutes' duration apiece. It progress of the Aircraft Industr}- also injures our Air means i;<^ million flying-hours. Power of the future. One… … A D.H.4 Biplane (Rollg-Royce Engine) of the type now in use conveying passengers and dispatciies from London to the Peace Conference in Paris, and back. The Passenger's Compartment is entirely enclosed, the roof opening and shutting in the manner of a motor-car bonnet
Aeronautics -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
