Urban VII (Giovanni Battista Castagna), pope for twelve days in September 1590, was of Genoese origin, and was born in Rome in 1521. He was chosen successor of Sixtus V on September 15 1590, but died (September 27) before consecration. He was succeeded by Gregory XIV
from the 9th edition (1888) of an unnamed encyclopedia.
... end of the axis pushes against the lower rim of the groove. While the axis is slipping around inside the groove, the friction between the axis and the groove rims will ...