Rules for drawing the several parts of architecture, in a more exact and easy manner than has been heretofore practised, by which all fractions, in dividing the principal members and their parts, are avoided (1753)
Gibbs, James, 1682-1754 · London : Printed for W. Innys and J. Richardson, J. and P. Knapton, C. Hitch and L. Hawes, R. Manby and H.S. Cox · leaf 160
Architectural drawing -- Early works to 1800 · Architecture -- Details -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.