Annual report of the Aeronautical Society of Great Britain (1866)
Royal Aeronautical Society · Greenwich : Henry Richardson ; London : reproduced and printed photolitho offset for Peter Murray Hill by permission of the Royal Aeronautical Society · leaf 44
43 OF GREAT BRITAIN. Fig. 15. … The posterior corners of the paper have been bent downward. After passing through a parabolic curve the object takes a very rapid descending course. There is certainly exaggeration in the statement that the bird remounts as high as the elevation from which it descended without further effort. The…
Periodicals · Aeronautics · Royal Aeronautical Society -- Periodicals · Aeronautics -- Periodicals
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