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Polishing-Machine

Description: Patent for improvements in polishing machines for "polishing marble and other similar stones... and giving a smooth surface to any material of like character." Invention provides a "movable abrading member...and comprehends and mechanism whereby said member may be automatically moved back and forth over the surface to be polished."
Date: April 6, 1915
Creator: Giesberg, John G.
Partner: UNT Libraries Government Documents Department
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