View Original: | AC.Siko.I.003_Igor_Sikorsky.jpg (600x781) | |||
Download: | Original | Medium | Small | Thumb |
Courtesy of: | www.flickr.com | More Like This | ||
Keywords: autograph igor sikorsky igorsikorsky aviation helicopter inventor document text Russian-American pioneer of aviation in both helicopters and fixed-wing aircraft, inventor of first multi-engine fixed-wing aircraft and first viable American helicopter. Russian-American pioneer of aviation in both helicopters and fixed-wing aircraft, inventor of first multi-engine fixed-wing aircraft and first viable American helicopter. |