Pliny relates, that the art of making glass malleable was actually discovered under the reign of Tiberius, and that the shop and tools of the artist were destroyed, lest, by the establishment of this invention, gold and silver should lose their value. Dion adds, that the author of the discovery was put to death.
The gloom which darkened the Roman capital during this melancholy period, shed a baleful influence on the progress of science throughout the empire, and literature languished during the present reign, in the same proportion as it had flourished in the preceding. It is doubtful whether such a change might not have happened in some degree, even had the government of Tiberius been equally mild with that of his predecessor. The prodigious fame of the writers of the Augustan age, by repressing emulation, tended to a general diminution of the efforts of genius for some time; while the banishment of Ovid, it is probable, and the capital punishment of a subsequent poet, for censuring the character of Agamemnon, operated towards the farther discouragement of poetical exertions. There now existed no circumstance to counterbalance these disadvantages. Genius no longer found a patron either in the emperor or his minister; and the gates of the palace were shut against all who cultivated the elegant pursuits of the Muses. Panders, catamites,