Article on page 13
Transcription:
New Air Craft
NEW YORK.. Feb. 22 – ? – Patents on a “helicopter-airplane” which would have a (…)
Collection of period documents on Nikola Tesla and his works
Collection of period documents on Nikola Tesla and his works
Article on page 13
Transcription:
New Air Craft
NEW YORK.. Feb. 22 – ? – Patents on a “helicopter-airplane” which would have a (…)