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Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Beauchamp about his mine of cobalt
Letter from Francis Dawson about verdigris
Letter from Francis Dawson about verdigris
Letter from Francis Dawson about verdigris
Letter from Francis Dawson about verdigris
Letter from Thomas Lawrenson about preserving ships bottoms
Letter from Thomas Lawrenson about preserving ships bottoms
Letter from William Gunbie about awards for preventing the robbing of mails and smuggling of wool
Letter from William Gunbie about awards for preventing the robbing of mails and smuggling of wool
Letter from J Neck about black dye on woollen cloth
Letter from J Neck about black dye on woollen cloth
Letter from Thomas Houghton about paper for copper plates
Letter from Thomas Houghton about paper for copper plates
Letter from Joseph Hall about horizontal windmill to be fixed on a building
Letter from Joseph Hall about horizontal windmill to be fixed on a building
Letter from J Ans about hand mills for grinding corn
Letter from J Ans about hand mills for grinding corn
Letter from William Darley about preventing fly in turnips
Letter from William Darley about preventing fly in turnips
Letter from John Gray about a plough
Letter from John Gray about a plough
Letter from J.L. about horizontal sails for windmills
Letter from J.L. about horizontal sails for windmills
Letter from Thomas Kirby about light
Letter from Thomas Kirby about light
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 Leonard Watson about hand mills
Letter from Leonard Watson about hand mills
Letter from J.L. about horizontal sails for windmills
Letter from J.L. about horizontal sails for windmills
Letter about granaries
Letter about granaries
Letter from James Verrier about a clock, machines for raising water, for forcing water air, for surveying and for finding a ships way
Letter from James Verrier about a clock, machines for raising water, for forcing water air, for surveying and for finding a ships way
Letter from George Sanderson about a hand mill
Letter from George Sanderson about a hand mill