Rare Books

A system of geometry and trigonometry : : together with a treatise on surveying; teaching various ways of taking the survey of a field, also to protract the same and find the area. Likewise, rectangular surveying; or, an accurate method of calculating the area of any field arithmetically, without the necessity of plotting it. To the whole are added, several mathematical tables, necessary for solving questions in trigonometry and surveying; with a particular explanation of those tables and the manner of using them