The Elements Of Geometry

In Which the Principal Propositions of Euclid, Archimedes, and Others, Are Demonstrated After the Most Easy Manner. to Which Is Added, a Collection of Useful Ge... » 

In Which the Principal Propositions of Euclid, Archimedes, and Others, Are Demonstrated After the Most Easy Manner. to Which Is Added, a Collection of Useful Geometrical Problems. Also, the Doctrine of Proportion, Arithmetical an «