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Evening Star, Issue 19779, 1 February 1928, Page 4

Sir Alan Cobham points out that flight at an altiude around 50,000 ft will enable a ’plane to attain speed bordering on 1,000 miles an hour. This means crossing the Continent between breakfast and Ttrcb, crossing the Atlantic between lunch and dinner, and circumnavigating the globe in a day. Perhaps we cannot picture man ever rising above 50,000 ft, but certainly we shall have “soundings” taken far beyond that figure within the next few yaw. Macready’s work above 50,000 ft lends some hope that these wild dreams may one day be realised. He has flown comfortably above Dayton (Ohio) in temperatures 80deg below zero.