The theory of perspective demonstrated, in a method entirely new : by which the several planes, lines, and points used in this art are shewn by moveable schemes in the true positions in which they are to be considered : invented, and now published for the use of the Royal Academy at Woolwich (1766)
Cowley, John Lodge, 1719-1797 · London : Printed for T. Payne ... [and 8 others] · leaf 168
Perspective · Geometry, Solid
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.