This scrapbook contains a few letters from October 1878 concerning the price of precious metals. The remainder of the volume consists of price lists, catalogues, and circulars from chemical and metal suppliers. The following dealers are represented: H.B. Clarke (London); Johnson, Matthey & Co. (London); M.A. Reed & Co. (London); J.Berger Spence & Co. (London); Savary, Young & Co. (London); Theodore Schuchardt (Gorlitz); Charles Cooper & Co. (New York); Reinmann & Baetz (New York); C.A.F.Kahlbaum (Berlin); Spencer & Watson (Newcastle-on-Tyne); H.Trommsdorff (Erfurt); The Electrical Supply Co. (New York). Only the correspondence and the cover page of each catalogue has been selected. Courtesy of Thomas Edison National Historical Park.