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Letter from Benjamin Franklin, receipt for reward paid to Aaron Miller for his compass
Letter from Benjamin Franklin, receipt for reward paid to Aaron Miller for his compass
Letter from John Willey about the improvement he has made to a drill plough
Letter from John Willey about the improvement he has made to a drill plough
Letter from J Randall about a drain plough
Letter from J Randall about a drain plough
Letter in French from Duhamel du Monceau of Paris about his eight volume 'Sur le Forests' and requesting some burnet seeds
Letter in French from Duhamel du Monceau of Paris about his eight volume 'Sur le Forests' and requesting some burnet seeds
Letter from John Hoskins about his newly invented sea quadrant
Letter from John Hoskins about his newly invented sea quadrant
Letter from Mary Braddock about her straw work
Letter from Mary Braddock about her straw work
Letter from James Efford about his instrument for measuring the length of casks
Letter from James Efford about his instrument for measuring the length of casks
Letter from Richard Lovell Edgeworth with drawings about his machine for measuring roads and lands
Letter from Richard Lovell Edgeworth with drawings about his machine for measuring roads and lands
Letter from J. Bentinck about his method of pulling trees out of the ground
Letter from J. Bentinck about his method of pulling trees out of the ground
Letter from Dorothy Holt about the manufacture of point needlework lace
Letter from Dorothy Holt about the manufacture of point needlework lace
Letter from Shiop Daubele about Mr Delanier's newly invented pump
Letter from Shiop Daubele about Mr Delanier's newly invented pump
Letter from William Craik of Arbigland about his harvest and use of a drill plough
Letter from William Craik of Arbigland about his harvest and use of a drill plough
Letter from M de Malamon about becoming a corresponding member of the Society
Letter from M de Malamon about becoming a corresponding member of the Society
Letter from Robert Harrison about his method of keeping bees
Letter from Robert Harrison about his method of keeping bees
Letter in French from M. Dupont about correspondence with the Society
Letter in French from M. Dupont about correspondence with the Society
Letter from Peter Cockram about using oak for tanning and improvements in the use of plaster for covering houses
Letter from Peter Cockram about using oak for tanning and improvements in the use of plaster for covering houses
Letter from William Braithwaite about ships pumps
Letter from William Braithwaite about ships pumps
Letter from A Backery about his improved pianoforte
Letter from A Backery about his improved pianoforte
Letter from John Baker about cheap supply of fowl
Letter from John Baker about cheap supply of fowl
Certificate that Joseph Flight planted madder
Certificate that Joseph Flight planted madder