PRINCIPLES, THEOREMS, RULES, AND TABLES, IN VARIOUS DEPARTMENTS OF PURE AND MIXED MATHEMATICS, WITH THEIR APPLICATION; ESPECIALLY TO THE PURSUITS OF SURVEYORS, ARCHITECTS, MECHANICS, AND CIVIL ENGINEERS. OLINTHUS GREGORY, LL.D., F.R.A.S., of Civil Engineer, ke. &c., and Professor of Mathematics in the Royal Military Academy, FIRST AMERICAN FROM THE SECOND LONDON EDITION, CORRECTED AND IMPROVED. ! "Only let men awake, and fix their eyes, one while on the nature of things, another while on the application of them to the use and service of mankind." -- Lord Bacon. PHILADELPHIA: BOSTON: |