Since childhood, Nikola Tesla dreamed of flying and inventing a flying machine.
He had to wait until the 1920s, to obtain (…)
Price: Free
The Niagara Falls Gazette: New Air Craft
Article on page 13
Transcription:
New Air Craft
NEW YORK.. Feb. 22 – ? – Patents on a “helicopter-airplane” which would have a (…)
Price: Free