n 
silver almost quite out of doors, and therefore the Emperour 
Gallienus could not endure the sight of glass, saying, there 
was nothing in the world more vile and common — ( The 
History of many Memorable Things Lost which were in 
use among the Ancients, by Guido Pancirollus. [English 
translation.] London, 1715.) 
The story of the inventive artizan was popular during the 
middle ages, and is given in “ Gesta Romanorum.” Allow- 
ing for the fashion of telling the tale, we appear to have 
here an ancient anticipation of modern invention on the 
toughened glass, which however has not yet caused that 
depreciation of gold and silver, deprecated in so sanguinary 
a manner by Tiberius. 
