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Letter from E., about his method of preventing accidents to carriages
Letter from E., about his method of preventing accidents to carriages
Letter from Thomas Woodin of South Carolina about samples of lucerne, prickly pear, cochineal and Jerusalem oak
Letter from Thomas Woodin of South Carolina about samples of lucerne, prickly pear, cochineal and Jerusalem oak
Copy of a letter from Thomas Woodin about lucerne
Copy of a letter from Thomas Woodin about lucerne
Diagram of an improved compass
Diagram of an improved compass
Certificate that 2000 elms and 12,000 chestnut were planted on the lands of Earl Winterton
Certificate that 2000 elms and 12,000 chestnut were planted on the lands of Earl Winterton
Certificate that 2000 elms and 12,000 chestnut were planted on the lands of Earl Winterton
Certificate that 2000 elms and 12,000 chestnut were planted on the lands of Earl Winterton
Letter from Benjamin Franklin about a letter from William Alexander about Aaron Miller's improved compass for the surveying of land
Letter from Benjamin Franklin about a letter from William Alexander about Aaron Miller's improved compass for the surveying of land
Letter from William Alexander Stirling of New Jersey about Aaron Miller's improved compass for the surveying of land
Letter from William Alexander Stirling of New Jersey about Aaron Miller's improved compass for the surveying of land
Letter from Leonard Dyer about his machine for slicing turnips and his method of sealing letters
Letter from Leonard Dyer about his machine for slicing turnips and his method of sealing letters
Letter from Edward Cooper about a method of planting trees
Letter from Edward Cooper about a method of planting trees
Letter from J Randall about drain ploughs
Letter from J Randall about drain ploughs
Letter from Jean Henry Zeigler of Winterthur about a waterwheel(barrel pump)
Letter from Jean Henry Zeigler of Winterthur about a waterwheel(barrel pump)
Letter from Rodolph de Valtravers about a model of Zeigler's water wheel
Letter from Rodolph de Valtravers about a model of Zeigler's water wheel
Letter from William Smith and Walter Rutherford about articles to be encouraged in the colonies
Letter from William Smith and Walter Rutherford about articles to be encouraged in the colonies
Abstract of a letter from Rodolph de Valtravers about Mr Wirz's pump barrel
Abstract of a letter from Rodolph de Valtravers about Mr Wirz's pump barrel
Certificate of Charles Rose has planted one acre with madder
Certificate of Charles Rose has planted one acre with madder
Letter from Jaques Chretien Schaeffer of Ratisbon on sending his essay on paper making
Letter from Jaques Chretien Schaeffer of Ratisbon on sending his essay on paper making
Letter from Francis Lewis about making starch from potatoes and a simple machine for mines, waterworks, mills etc
Letter from Francis Lewis about making starch from potatoes and a simple machine for mines, waterworks, mills etc
Certificate of the working of Cuthbert Clarke's drain plough
Certificate of the working of Cuthbert Clarke's drain plough
Letter from Richard Lovell Edgeworth about his machine for measuring roads and lands
Letter from Richard Lovell Edgeworth about his machine for measuring roads and lands