Allegorical female figure with measuring stick Title page for: Euclid; Principles of the Measuring King; 1695; An allegorical female figure stands on a decorated sphere and is awarded a putto. She is holding a measuring rod that is measured by a crowned man with a compass. In the foreground are on the left Minerva and on the right Mercury; crowning with laurel; measuring-instruments; (story of) Minerva (Pallas; Athena); (story of) Mercury (Hermes); Caspar Luyken; Amsterdam; paper; etching; h 166 mm x w 128 mm