Description Medium: Engraving on hand laid (verge) paper. Sheet size: 26.6 x 35.9 cm (10.47 x 14.13 inch). Image size: 17.8 x 22 cm. (7.01 x 8.66 inch). Condition: very good, given age. Light foxing, creasing, and soiling. Ghosting from matting attached. General age-related toning and/or occasional minor defects from handling. Please study scan carefully. MATHEMATICIAN, GEOMETRY, TRIGONOMETRY, BLACKBOARD, KLAUBER, FERDINAND BOL, MUS?E FRAN?AIS, SCIENTIFIC PORTRAIT | PCO-E15-2-33 BACKGROUND INFORMATION Musee Fran?ais series, published St. Petersburg, c. 1800-1809. Reference: Wellcome Collection 46982i. Biography engraver: Ignaz Sebastian Klauber (1753-1817) was a German engraver active in Paris, Augsburg, and St. Petersburg. He was court engraver to the Russian Tsar and contributed to the monumental Mus?e Fran?ais project. Biography artist: Ferdinand Bol (1616-1680) was a Dutch Golden Age painter and student of Rembrandt, known for historical scenes and portraits. His works are held in major museums including the Louvre.
