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THE POPULAR SCIENCE MONTHLY.
dollars that he could build a "steam-wagon" that should excel in speed the swiftest horse that could be matched against it.
Evans's connection with steam-navigation will be referred to when considering that subject.
Fig. 28.—"Oructor Amphibolis," 1804.
To this brief sketch of Evans's inventions it can only be added that he devised the flue-boiler, now generally called the Cornish, and used it to furnish steam to his engines.
Richard Trevithick.
54. The earliest non-condensing engine brought into use in Great Britain seems to have been constructed by Richard Trevithick and
