This engraving by Giovanni Battista Piranesi shows an architectural rendering of of Doric columns of the Pantheon in Rome. Includes precise measurements of the base, top and their circumferences.This engraving was printed by Piero and Francesco Piranesi, the two sons and collaborators of their father Giovanni Battista Piranesi. In addition to being an artist and engraver the elder Piranesi was also an antique and archeological restorer and dealer in antiquities. His various works dealing…