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 420
OF GREAT BRITAIN. 73 On the contrary, let the surface be applied in the inverted Fig. 6. … position as represented at cd, Fig. 6, and suppose it to be heeled to the same angle as before represented by the dotted lines cd. Here the exact inverse of the former instance takes place, for that side which is required to rise has gained resistance by its new position, and that which is required…
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