, a line is drawn upon it lengthwise, which is intersected by others, and these point out the weight of water.
At the end of the tube is a cone, the base of which is joined to that of the tube, so that both have but one base.
This part of the instrument is called baryllion. If it be placed in water it remains in a perpendicular direction, so that one can readily discover by it the weight of the fluid.
Hypatia was brutally murdered by a mob of Alexandrine monks, instigated by Cyril, A. D. 414.
With the death of Hypatia expired another period of intellectual research.
Cyril was the president of the council which condemned Nestorius.
After a dreary interval of several centuries, philosophy again revived in the city of Alexandria, while the Papacy shrank out of Asia and Africa, ejected from the great capitals Antioch, Jerusalem, and Alexandria; the Nestorians became the tutors of Mesopotamia and Chaldea, and in connection with the Jews founded colleges.
Among these, that of Djond