The fifth edition, diligently corrected and divers necessary things and matters (pertinent thereunto) added, throughout the whole work, not before printed: by William Leybourn, philomath, 1673

The fourth edition : to which is added, the description and use of another sector with more lines differing from that of Mr. Gunter, both in form and manner of working : as also of a quadrant fitted with new lines serving the former uses, and many other, more accurately: both invented and written by Mr. Sam Foster ..., now published from his manuscripts : the whole work examined, and in many places enlarged, by W.L, 1662