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Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
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cobalt
Letter from Joseph Lowell about cobalt, with certificates
Letter from Joseph Lowell about cobalt, with certificates
Letter from John Mooring about cobalt, specimen sent from Plymouth
Letter from John Mooring about cobalt, specimen sent from Plymouth
Letter from John Mooring about cobalt
Letter from John Mooring about cobalt
Letter from John Jacks about premiums for English cobalt
Letter from John Jacks about premiums for English cobalt
Letter from John Heaver about his discovery of cobalt
Letter from John Heaver about his discovery of cobalt
Letter from John Heaver about his claim to have discovered cobalt, also about Mr Hart, with certificates and envelope
Letter from John Heaver about his claim to have discovered cobalt, also about Mr Hart, with certificates and envelope
Letter from James Dean about Mr Hart's claim for the discovery of cobalt
Letter from James Dean about Mr Hart's claim for the discovery of cobalt
Letter from J Peat about cobalt and zinc
Letter from J Peat about cobalt and zinc
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 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 from Harry Hart about cobalt
Letter from Harry Hart about cobalt
Letter from Harry Hart about cobalt
Letter from Harry Hart about cobalt
Letter from Gustavus Brander about cobalt
Letter from Gustavus Brander 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 Francis Beauchamp about specimens of cobalt, copper ores and mandicks
Letter from Francis Beauchamp about specimens of cobalt, copper ores and mandicks
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about cobalt samples
Letter from Francis Beauchamp about cobalt samples
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt