Glass engineering - designing and making photochromic glass

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How to make small batches of specialty glass with minimal equipment.
Good overview glass engineering book from 1920 (how to choose ingredients) :
"5mW" *nudge-wink* 405nm laser pointer:
Alumina melting dish on eBay:
Source of kiln paper, mold release, molds, glass fusing supplies: /
Paragon Quickfire kiln:
Case of 12 insulating fire bricks:
Graphite mold:
Relevant patents for photochromic recipes:
Glass colors:
Applied Science on Patreon:
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