| 1942 recipe for selenium cadmium sulfur ruby glass | |||||
| Re: Chinese so-called "Peking" Ruby Red Glass Beads - pre WWII vs 1990s -- beadiste | Post Reply | Edit | Forum | Where am I? | |
Post Reply01/14/2018, 11:40:23
http://onlinelibrary.wiley.com/doi/10.1111/j.1151-2916.1942.tb14360.x/abstract
I can see how this might not have gotten into production in China until after 1949.
Here's a more explanatory link:
https://www.google.com/patents/US2418684
Modified by beadiste at Sun, Jan 14, 2018, 11:44:53
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