Click to view
Author(s)
Ott, Ludwig FredrickRecipient(s)
Others Mentioned
Edison, Thomas Alva
Wurth, Albert Frank
Heller and Merz Co
Devoe (F.W.) and Raynolds (C.T.) Co
Subject(s)
Disc record and duplicating technologyChemicals, chemical products, and chemical processes
Electroplating