Heptarchia mathematica, or, The seven branches of art here following, epitomized viz. arithmatick, geometry, flat measure, square measure, [double brace] gauging, mensuration by tables, dialling, &c. being now exhibited to the view of artists, as well as others, in a plain practicable, and easie method, whereby every young tyro may come to a perfect understanding without the help of a tutor, which for ease and expedition, the like not extant in the the English tongue