58. Oszkár Asbóth (1891-1960), aviator. Autograph signed, typed letter...

... to Count Marcell Stomm, general staff colonel and military attaché in London.
He asks the recipient to send him a film of the helicopter's flight in connection with an investigation by the British Air Ministry into the propeller he designed. The case apparently ended positively for the designer because in 1935, the British signed a contract with him.
3 typed page(s).
Dated: Bp., 30 May 1933
 
Starting price: 50 000,-