All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Glass Question at our Rakow Research Library.

Countless Variations: Lens Combinations
Article

The world began to realize that so far it had only toyed with glass. Now a brand new material was born.     — Walter Kioulehn, Odyssey of the 41 Glassmakers, 1959 By the mid-1800s, there were still only two kinds of optical glass: soda-lime crown glass and lead-containing flint glass. Opticians