Medicus Alchemista; Print made by Johann Jacobus Haid; 1704-1767; undated; Mezzotint on moderately thick; slightly textured; cream laid paper; Sheet: 15 3/16 x 19 7/16 inches (38.5 x 49.3 cm); Plate: 12 7/8 x 16 5/8 inches (32.7 x 42.3 cm); and Image: 11 13/16 x 16 11/16 inches (30 x 42.4 cm); alchemist; alchemy; beakers; books; chair; cloak; desk; genre subject; globe; hourglass; laboratory; man; physician; physician; reading; scholar; shells; sitting; skulls (skeleton components); studying; turban; vessels