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Old May 27, 2014, 09:51 AM   #14
Mike Irwin
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Join Date: April 13, 2000
Location: Northern Virginia
Posts: 41,390
"There was no machine engraving at that time."

Sure there was. Pantographic engraving machines using cutting burrs capable of engraving metal, stone, etc., first started coming out in the 1840s, IIRC.
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