G.R.Averall 2017

General Asbestos Photos

Asbestos sheild

« Back to Album Photo 3 of 13 Previous | Next
Asbestos sheild
Circa 1937: Expert glass blower behind an asbestos shield, applying heat of 1,800 degrees to fuse a rod of quartz which is a non-conductor of heat & is used chiefly for ultra violet lamps, at the American Assoc. for the Advancement of Science meeting.
Posted on January 9, 2011 Slideshow

Recent Videos