'This Corning glass used for cooking was cast to make the 200-inch telescope lens for Mount Palomar'
Pyrex
400 YEARS OF THE TELESCOPE: This Corning glass used for cooking was cast to make the 200-inch telescope lens for Mount Palomar
This Corning glass used for cooking was cast to make the 200-inch telescope lens for Mount Palomar
This Corning glass used for cooking was cast to make the 200-inch telescope lens for Mount Palomar
400 YEARS OF THE TELESCOPE
Pyrex
400 YEARS OF THE TELESCOPE