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Brown, George E. (George Edward), 1872-1934. Ferric & heliographic processes : 0 a handbook for photographers, draughtsmen, and sun printers, / by George E. Brown. -- New York, : Tennant & Ward. ; London, Dawbarn & Ward, limited, [1900?] 130 p. ¢ Lils; plates (part coi.) ; 19 ems. "Bibliography”: p. (127]-128. 1. Photography. 2. Blueprinting. I. Title.
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