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Letter from Thomas Cushing of Boston about manufacture of potash
Letter from Thomas Cushing of Boston about manufacture of potash
Letter from Reuben Kidder, certificate that J Crosby has made 1156 hundredweight of pearl ash
Letter from Reuben Kidder, certificate that J Crosby has made 1156 hundredweight of pearl ash
Certificate of John Harrison has planted one acre with madder
Certificate of John Harrison has planted one acre with madder
Letter from Edmund Caiger of Charlestown on the culture of silk in Georgia
Letter from Edmund Caiger of Charlestown on the culture of silk in Georgia
Letter in French from David Gottlieb Taschet of Leipsig about correspondence with Leipsig Society
Letter in French from David Gottlieb Taschet of Leipsig about correspondence with Leipsig Society
Letter about a claim for machine for slicing turnips
Letter about a claim for machine for slicing turnips
Certificate that 2100 vines were planted in the vineyard of the Earl of Sterling between 1762 and 1766
Certificate that 2100 vines were planted in the vineyard of the Earl of Sterling between 1762 and 1766
Letter from Jacob Fienn about his new invented correct time watch
Letter from Jacob Fienn about his new invented correct time watch
Letter from Benjamin Martin about his ships pump
Letter from Benjamin Martin about his ships pump
Certificate of 60 barrels of pearl ash shipped by Samuel Blodget
Certificate of 60 barrels of pearl ash shipped by Samuel Blodget
Letter from Samuel Blodget of Boston on pearl ash
Letter from Samuel Blodget of Boston on pearl ash
Certificate of 32 hundredweight of pearl ash manufactured by Samuel Blodget
Certificate of 32 hundredweight of pearl ash manufactured by Samuel Blodget
Certificate of Broom Witts having planted one acre of madder
Certificate of Broom Witts having planted one acre of madder
Letter and certificate about William Clark's drain plough
Letter and certificate about William Clark's drain plough
Letter from John Winn about preserving lives of sailors and ships
Letter from John Winn about preserving lives of sailors and ships
Certificate of William White having planted one acre with madder
Certificate of William White having planted one acre with madder
Letter from Ralph Howard about his improved lamps
Letter from Ralph Howard about his improved lamps
Letter from Henry Sargood on anatto
Letter from Henry Sargood on anatto
Letter from William Wallis about squaring the circle
Letter from William Wallis about squaring the circle
Letter from Jermyn and Charles Wright of Georgia about wild grape vines in a vineyard of 20 acres
Letter from Jermyn and Charles Wright of Georgia about wild grape vines in a vineyard of 20 acres