MODEL RELEASED. Igor Sikorsky (1889-1972),Russian-US aviation pioneer outside Thompson Products in 1954. Sikorsky was born in Kiev,Russia (now the Ukraine). He emigrated to the USA in 1919 after building and flying the first four-engined aeroplane. In 1923 he founded the Sikorsky Aero Engineering Company and went on to construct a number of flying boats and,in 1939,the first successful helicopter,the VS300. The commercial version went into production in 1943 and was used by the US army during World War II | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NASA-GRC |
Taille de l’image : | 4760 px × 3698 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |