containing the whole art of surveying of land, by plain table, circumferentor, theodolite, peractor, and other instruments. With divers kinds of mesurations, and matters pertinent to a work of this nature. The third edition, corrected and enlarged, with the addition of three entire books not before printed. The whole treatise being comprised in VII. books. An account of the particulars in each of them contained, is given in the preface to the reader. By William Leybourn philomathematicus