Walker, Thomas: Treatise upon aerostation; or, the art of navigating the air, by mechanical means alone, with a full explanation of the natural principles by which birds [...] : 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 [...]. Hull : printed by Joseph Simmons... and sold by Longman [etc.], [18..]