London: Printed by A. C. for Francis Eglesfield, 1673.
Fifth Edition, probably the third Leybourn edition. (xxiv), 312p, 224p, (clxiv, Canon Triangulorum), (ii), (ii, ads). Half-title and engraved title. Illustrated throughout with diagrams, two folding plates and a complete and intact volvelle. Bound in later paneled calf with white lather title label. Several pages misnumbered but complete. Some soiling, repairs, and contemporary annotations. All quite sound and servicable. Item #21519
Contains the first published table of trigonometric functions.