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Letter from Andrew Reid about cobalt
Letter from Andrew Reid 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 cobalt
Letter in French from Jean Gottlieb Lehmann, Berlin about cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter in French from M Hellot about cobalt
Letter in French from M Hellot about cobalt
Letter from Emmanuel Mendes Da Costa about cobalt and other minerals
Letter from Emmanuel Mendes Da Costa about cobalt and other minerals
Letter from J Peat about cobalt
Letter from J Peat about cobalt
Letter from J Peat about cobalt
Letter from J Peat about cobalt
Letter from Dr Stephen Hales about cobalt
Letter from Dr Stephen Hales about cobalt
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 George Best about cobalt
Letter from George Best about cobalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Abstract of treatise on cobalt
Abstract of treatise on cobalt
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Letter from Charles Moreton, Nicholas Crisp and Frederick Brandenburgh about cobalt
Letter from Charles Moreton, Nicholas Crisp and Frederick Brandenburgh about cobalt
Letter from Dr Linden about cobalt
Letter from Dr Linden about cobalt
Notes on cobalt, zaffre and smalt
Notes on cobalt, zaffre and smalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt