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A treatise on the art of flying, by mechanical means
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. ; Illustrated with plates -
A treatise on the art of flying, by mechanical means
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