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; The geometrical part whereof is performed by projecting of the sphere in plano, upon the plain it self, whereby not only the making, but the reason also of dials is discovered.
London: Printed by S[arah]. G[riffin]. and B[ennet]. G[riffin]. for Benjamin Tooke and Thomas Sawbridge, [1669]. First edition, first issue, extremely rare, of the first of Leybourn’s books on the subject. This issue has ‘dialling:’ in line 2 of the title and lacks imprint date; the more common (but still rare)..... More
Item #4610