How to make a turquoise goblet

How did the Venetians make turquoise glass in the late 1400s? Find out as Bill Gudenrath, glass specialist at the Corning Museum of Glass, uses traditional glass blowing methods to create a replica of the extremely rare turquoise goblet from the Waddesdon Bequest. The Waddesdon Bequest is a collection of medieval and Renaissance treasures bequeathed to the British Museum by Baron Ferdinand Rothschild in 1898. It was redisplayed in a new gallery in June 2015: http://ow.ly/O3Nlu