Bill, the proper term is Die Deterioration Doubling ( DDD) - the use is DD is misleading, because those reading will assume "Doubled Die"
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer
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My eBay store
Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US
My eBay store

























