It’s been a question most of us have been asking since we watched The Jetsons. When will the flying car become a reality?
Is it a bird? Is it a plane?
CC0 Usage Conditions ApplyClick for more information. Wilhelm Kress (1836--1913) was an inventor, writer, and lecturer. This collection contains one of Kress' German patents, patent number 8706, for ...
After a mysterious and lengthy disappearance, the historic patent documents for the Wright Brothers' groundbreaking flying machine have finally resurfaced and are now at home in the National Archives ...