Showing 56 results
Archival description
Notes on cobalt, zaffre and smalt
Notes on cobalt, zaffre and smalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from D W Linden about cobalt
Letter from D W Linden about cobalt
Letter from John Mooring about cobalt, specimen sent from Plymouth
Letter from John Mooring about cobalt, specimen sent from Plymouth
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 George Best about cobalt
Letter from George Best about cobalt
Printed notice offering a gold medal 'To the author of the best essay on the natural history of cobalt'
Printed notice offering a gold medal 'To the author of the best essay on the natural history of cobalt'
Letter from Sam Howard about the ore in the mines and also about his cobalt discovery
Letter from Sam Howard about the ore in the mines and also about his cobalt discovery
Letter from Sam Howard about his discovery of cobalt and also about the sample he has sent to the Society of Carmine
Letter from Sam Howard about his discovery of cobalt and also about the sample he has sent to the Society of Carmine
Letter from Sam Howard about samples of cobalt which he has sent to the Society, also about copper
Letter from Sam Howard about samples of cobalt which he has sent to the Society, also about copper
Letter from Sam Howard about the cobalt from Derbyshire and one in Devonshire and lead and copper
Letter from Sam Howard about the cobalt from Derbyshire and one in Devonshire and lead and copper
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 John Mooring about cobalt
Letter from John Mooring about cobalt
Abstract of treatise on cobalt
Abstract of treatise on cobalt
Letter from George Best about cobalt
Letter from George Best 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 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 John Heaver about his discovery of cobalt
Letter from John Heaver about his discovery of cobalt
Letters from John Heaver about his discovery of cobalt (certificate signed by Josiah Wedgwood, Etruria, 4/4/1817)
Letters from John Heaver about his discovery of cobalt (certificate signed by Josiah Wedgwood, Etruria, 4/4/1817)