A Treatise Upon Aerostation: Or, The Art of Travelling Through the Air, by Mechanical Means Alone; with a Full Explanation of the Natural Principles by which Birds are Enabled to Fly; Likewise Instructions and Plans for Making a Flying Car with Wings, in which a Man May Sit, And, by Working a Small Lever, Cause Himself to Ascend and Soar Through the Air with Great Facility ...
Thomas Walker
Gratuit