Rare Books

A royal road to geometry; or, An easy and familiar introduction to the mathematics. : In two parts. I. Practical geometry, with applications, and a familiar introduction; for the use of mechanics, &c. Also, the construction of the ellipsis; with some of its chief properties demonstrated. II. Elements of geometry abridged. Containing the whole substance of Euclid's first six, the eleventh and twelfth books; with several other, useful and valuable, theorems; treated in the most brief, easy, and intelligent manner; for the use of schools, &c. Being an attempt to render that most useful and necessary science more universal, and practically applicable. Interspersed with notes, critical, explanatory, and instructive