Andrea Palladio's first book of architecture : with all the plates, exactly copyed from the first Italian edition, printed in Venice, anno 1570 (1728)
Palladio, Andrea, 1508-1580 · London : Printed for S. Harding ... · leaf 108
Pall adio’x $0 … breadth, and height, as in the Figure ; then multiplying the Nine by Twelve, and afterwards by Six ; fet the Product made by Twelve under Twelve, and the Product made by Six under Six ; when this is done, multiply Six by Twelve, and fet the Product thereof, which is Seventy Two, under Nine ;…
Architecture -- Orders -- Early works to 1800 · Architecture -- Details -- Early works to 1800 · Architecture -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.