The Art of dialling, performed geometrically by scale and compasses: arithmetically by the canons of sines and tangents: instrumentally by a trigonal instrument, accommodated with lines for that purpose / by William Leybowrn. - Leybourne, William, 1626-1700? (printed by S.G. and B.G. for Benjamin Tooke and Thomas Sawbridge next to the Anchor in Ducklane, 1669)