Photorealistic engravings of the Moon (1635-37) 23.7 x 17.9 cm engraving by Claude Mellan. This work was commissioned by Pierre Gassendi. The original series consisted of three parts: 1st quarter, 2nd quarter (full Moon), 3rd quarter. (c) The Elisha Whittelsey Collection, The Elisha Whittelsey Fund, 1960 Courtesy EA Whitaker. Recommended: Galileo Project