Pseudo-Archimedes translations of various Greek sources, including works by Hero of Alexandria, Ctesibius, and Philon. The manuscript is referred to by the Arabic engineers Ridwan and Al-Jazari. Pseudo-Archimedes Pseudo-Archimedes is a name given to pseudo-anonymous authors writing under the name of 'Archimedes' as quoted by various sources of the Islamic Golden Age such as Al-Jazari for the construction of water clocks. Archimedes himself is not known to have written any such manuscript. The only surviving manuscript from a Pseudo-Archimedes is an Arabic treatise not listed among Archimedes' works. Donald Routledge Hill is of the opinion that the original manuscript may have
SS Archimedes 1836 patent. Following the ship's entry into service, the propeller would subsequently undergo a number of modifications, the most important of which were an alteration to a double threaded/half turn format, and a division of the original 360° screw into two separate blades. The propeller had the unusual feature of being fully retractable in order to reduce drag when the ship was under sail—a task that took about 15 minutes. "Archimedes" made her maiden voyage, from London to Sheerness near the mouth of the Thames, commencing 2 May 1839. On the 15th, she commenced her first sea voyage, from Gravesend