Note 2834 — BOOK XXXVI. THE NATURAL HISTORY OF STONES. (continued 2)
John Bostock translation
Knowles says, in his Turkish History, p. 1273, that in 1610, among other rare presents sent to the King of Spain from the Sophy of Persia, there were six drinking-glasses, made of malleable glass so exquisitely tempered that they could not be broken.