A Philosopher Shewing an Experiment on the Air Pump, Valentine Green, 1769

Print. Date: 1769. Dimensions: Plate: 19 × 23 in. (48.3 × 58.4 cm); ; Sheet: 19 7/8 × 25 5/8 in. (50.5 × 65.1 cm). Medium: mezzotint. Collection: Metropolitan Museum of Art. A Philosopher Shewing an Experiment on the Air Pump MET DP873559