Ctesibius or Ktesibios or Tesibius (Ancient Greek: Κτησίβιος; fl. 285–222 BCE) was a Greek inventor and mathematician in Alexandria, Ptolemaic Egypt....

draw on the much earlier work by Ctesibius (285–222 BC), also known as Ktēsíbios or Tesibius, who was an inventor and mathematician in Alexandria, Ptolemaic...

breakthroughs came most frequently in the form of water control devices. Ktesibios of Alexandria is credited for inventing float valves to regulate water...

technique may be seen in the refinements of the water clock introduced by Ktesibios of Alexandria in the 3rd century BCE. Self-regulating mechanisms have...

scientific principles. Numerous water-powered automata were built by Ktesibios, a Greek inventor and the first head of the Great Library of Alexandria;...

first feedback control device on record is thought to be the ancient Ktesibios's water clock in Alexandria, Egypt, around the third century BCE. It kept...

watchmakers. Amemhet (1555–1505 BC), Egyptian count and engineer, clepsydra. Ktesibios (3rd century BC), Greek engineer, clepsydra with hands and dial. Andronikos...

fire-engine, which is 200 years old and based on the force-pump invented by Ktesibios (285-220 BC). Its basic operating principle is the piston, and it consists...

Copenhagen, 1932 Hvad var det for en Fugl? Copenhagen, 1938. (2nd ed. 1948) Ktesibios, Philon and Heron: A Study in Ancient Pneumatics. Copenhagen, 1948 (PhD...

antiquity. Lincoln: University of Nebraska. Drachmnan, A. G. (1948). Ktesibios, Philon and Heron. Drachmann, A. G. (1953). "Remarks on the ancient catapults"...