Dialling, plain, concave, convex, projective, reflective, refractive. Shewing, how to make all such dials, and to adorn them with all useful furniture relating to the course of the sun; performed arithmetically, geometrically, instrumentally and mechanically: and illustrated with sculptures, engraven in copper, comprised in XIV distinct tractates... (1700)
Leybourn, William, 1626-1716 · London : Printed by J. Matthews, for A. and J. Churchill · leaf 158
Sundials
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
