Originally Posted by
Drew Wiley
I didn't know about the Woodbury types, but that is one of the processes I discussed with them about reviving in some more modernized fashion, specifically by laser-etching epoxy blocks. But there were some massive hazmat issues in this area, with an equivalent level of health issues behind that. A lead plate version was briefly available in NYC but then itself ran into a big enviro snag of its own. Perhaps the original antique method of it has been revived. An interesting question for someone else to sleuth.
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