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Letter from John Mooring about cobalt, specimen sent from Plymouth
Letter from John Mooring about cobalt, specimen sent from Plymouth
Letter from Dr Linden about cobalt mines in parts of Wales
Letter from Dr Linden about cobalt mines in parts of Wales
Letter from Dr Lewis about cobalt
Letter from Dr Lewis about cobalt
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Letter in French from M Hellot about cobalt
Letter in French from M Hellot about cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from J Holdship about cobalt and finding a substitute for white lead
Letter from J Holdship about cobalt and finding a substitute for white lead
Letter to Harry Hart from Thomas Teague about cobalt
Letter to Harry Hart from Thomas Teague about cobalt
Letter from Joseph Lowell about cobalt, with certificates
Letter from Joseph Lowell about cobalt, with certificates
Letter from Sam Howard about the cobalt which he has discovered on an estate in Derbyshire
Letter from Sam Howard about the cobalt which he has discovered on an estate in Derbyshire
Letter from J Peat about cobalt and zinc
Letter from J Peat about cobalt and zinc
Letter from Francis Beauchamp about cobalt samples
Letter from Francis Beauchamp about cobalt samples
Notes on cobalt, zaffre and smalt
Notes on cobalt, zaffre and smalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Letter from George Best about cobalt
Letter from George Best about cobalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Translation of a letter in French from Jean Gottlieb Lehmann, Berlin about cobalt
Translation of a letter in French from Jean Gottlieb Lehmann, Berlin about cobalt
Letter in French from Jean Gottlieb Lehmann, Berlin about a premium about cobalt
Letter in French from Jean Gottlieb Lehmann, Berlin about a premium about cobalt
Letter from Thomas Turner requesting the loan of a manuscript about cobalt, belonging to the Society
Letter from Thomas Turner requesting the loan of a manuscript about cobalt, belonging to the Society
Letter to Harry Hart from Thomas Maydew & Co about cobalt
Letter to Harry Hart from Thomas Maydew & Co about cobalt