Page:Philosophical Transactions - Volume 001.djvu/125

 Num. 7

Munday, Decemb. 7. 1665.

The Contents.

Ince what was mentioned in the immediately precedent Tract, touching Monsieur de Son's noble attempt of grinding Glasses of a Parabolical Fgure, the Publisher of these Papers hath himself seen two Eye-glasses of that shape, about one inch & a half deep and one inch and a quarter broad, wrought by this Eminent Artist with a rare Steel-instrument of his own contrivance and workmanship, and by himself also polished to admiration. And certainly it will be wondred at by those, Rh