DURING THE MIDDLE AGE. m 



44 fi per fcncflras lucente vitro aut fpcculari la. 

 14 pide obduclas *." 



Not Icfs dcciiivc arc two paiTagcs in Hicrony. 

 mus. In the firft of which he fays: u Fcncftrx 

 " crant fadx in modum rctis, ad inftar cancel- 

 * 4 loriin, ut noii fpcculari lapide, ncc vitro, fed 

 " Jignis interraiilibus ct vcrmiculatis include- 

 rcnturf." In the other he fpeaks of " fcnef- 

 " tris, quru vitro in tenucs laminas fufo obduclx 

 " erant." Windows made with glafs were known 

 towards the end of the third century : But this 

 application of it did not become general until 

 fevcral ages after. Some churches in France 

 were furniOied with windows after this manner, 

 in the time of Gregory of Tours J. The Greeks 

 bcftow great praifes upon the vail number of 

 glafs windows that adorn the round tower, com- 

 monly called the cupola, of the great church of 

 St. Sophia built at Gonflantinoplc, and which 

 was dedicated to our Saviour by Juflinian . 



In the feventh century manufactories of glafs 

 were cilabliihed in France ; from whence, to- 

 wards the end of it, fcveral artificers migrated 

 into England, where the art was hitherto un- 

 known || . The eight century curried the in- 

 vention into Germany and Italy, and the ninth 

 extended it to the northern regions, On read- 



* DC opificio Dc*i, c. 8. 

 f In Hcf. xlJ. 1 6. 

 4. DC gloria marljrrum. 

 $ Paulas Silcnliarius. 

 (I Hcury hiil. ccclcf. 



