AUTHOR OF ELEMENTS OF SURVEYING, ELEMENTS OF DESCRIPTIVE GEOMETRY, SHADES SHADOW& AND PERSPECTIVE, ANALYTICAL GEOMETRY, AND DIFFE-
RENTIAL AND INTEGRAL CALCULUS.
Entered according to the Act of Congress, in the year one thousand eight hundred and thirty-eight, by Charles Davies, in the Clerk's Office of the District Court of the United tates, for the Southern District of New York.