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Welcome Aboard IHC185™ Internet Horology Club 185 IHC185™ Discussion Site Main Page Horological Discussions, Questions and Answers All Wristwatches Discussion Forum Waltham Wristwatch (50s/60s era) with luminous number indicators
Internet Horology Club 185 IHC185™ Discussion Site Main Page Horological Discussions, Questions and Answers All Wristwatches Discussion Forum Waltham Wristwatch (50s/60s era) with luminous number indicatorsGo | New Topic | Find-Or-Search | Notify | Tools | Reply to Post | |
| IHC Menber 3062 |
I'm curious to learn, after the radium trials and aftermath, what were the compounds used for phosphorescent watch dials and numbers? Were there typical compounds used, or a certain range of compounds used for luminous dials? I understand that these questions likely fall under "proprietary" info, but as time's passed, what was used I imagine has now just become horology trivia. Leo Horishny Sun Valley, NV | ||
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Welcome Aboard IHC185™ Internet Horology Club 185 IHC185™ Discussion Site Main Page Horological Discussions, Questions and Answers All Wristwatches Discussion Forum Waltham Wristwatch (50s/60s era) with luminous number indicators
Internet Horology Club 185 IHC185™ Discussion Site Main Page Horological Discussions, Questions and Answers All Wristwatches Discussion Forum Waltham Wristwatch (50s/60s era) with luminous number indicators©2002-2023 Internet Horology Club 185™ - Lindell V. Riddle President - All Rights Reserved Worldwide
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