Publisher: Forgotten Books
Publication Date: January 30, 2018
Binding: Kobo eBook
That artificial ?ight is a possible thing is proved beyond doubt — lei, by the fact that ?ight is a natural movement; and 2d, because the natural movements Of walking and swim ming have already been successfully imitated. The very Obvious bearing which natural movements have upon artificial ones, and the relation which exists between organic and inorganic movements, invest our subject with a peculiar interest.