WALKER (Charles V.). Electrotype Manipulation: Being the Theory and Plain Instructions in the Art of Working in Metals, by Precipitating them from their Solutions, through the Agency of Galvanic or Voltaic Electricity.1852

London: George Knight and Sons, Twenty-fifth edition, 12mo, 64 + 8pp., of adverts, ownership signature of Frank Ledgwick, inner hinges loose, orig. cloth.