Pendant portraits of Maerten Soolmans and Oopjen Coppit by Eugène Fromentin in 1877 with the remark that they were examples of Rembrandt at his best and were painted in the same period that Rembrandt painted his "Anatomy Lesson of Dr. Nicolaes Tulp", traditionally marking the beginning of his career in Amsterdam. Clearly, the flamboyance of these young newlyweds did more to launch Rembrandt's career as a portrait painter for the Amsterdam upper class than his sober depiction of a class of serious students in Leiden. The entire Van Loon collection was sold to Rothschild for 40,000 pounds, which at the time was over a million francs. Wilhelm von
Observationes Medicae (Tulp) the same, the "Indisch Satyr" is also the last plate in the later version. There is no Book four in the original version, but the later version calls it "Register der Hoofdstukken van het vierde boek". The sixty chapters and accompanying plates are some of the most popular in Dutch medical literature, however, including the Jan de Doot (or Jan Lethaus, a bastardized version of the Latin for lethal - lethalis), ending with a chapter on Tea. Observationes Medicae (Tulp) Observationes Medicae is a 1641 book by Nicolaes Tulp. Tulp is primarily famous today for his central role in the