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Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
Abstract of treatise on cobalt
Abstract of treatise on cobalt
Account of experiments on cobalt by Michael Morris
Account of experiments on cobalt by Michael Morris
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Extract of letter from Peter Ornskold about cobalt and bismuth ore
Letter from Andrew Reid about cobalt
Letter from Andrew Reid about cobalt
Letter from Charles Moreton, Nicholas Crisp and Frederick Brandenburgh about cobalt
Letter from Charles Moreton, Nicholas Crisp and Frederick Brandenburgh about cobalt
Letter from Charles Powell about cobalt
Letter from Charles Powell 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
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Letter from Dr Lewis about cobalt
Letter from Dr Lewis about cobalt
Letter from Dr Linden about cobalt
Letter from Dr Linden about cobalt
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 Stephen Hales about cobalt
Letter from Dr Stephen Hales 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 Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt samples
Letter from Francis Beauchamp about cobalt samples
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about specimens of cobalt, copper ores and mandicks
Letter from Francis Beauchamp about specimens of cobalt, copper ores and mandicks