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Letter in Italian (with translation) from Dr Joseph Matthew Bruno about spinning silk
Letter in Italian (with translation) from Dr Joseph Matthew Bruno about spinning silk
Letter in French signed 'un gros suisse' about perpetual motion
Letter in French signed 'un gros suisse' about perpetual motion
Letter in French signed 'un gros suisse' about perpetual motion
Letter in French signed 'un gros suisse' about perpetual motion
Letter in French from Thomas Le Mesurier and Jean Le Feuvre about Thomas de Carteret's plantation
Letter in French from Thomas Le Mesurier and Jean Le Feuvre about Thomas de Carteret's plantation
Letter in French from Professor Aldini (with translation) about hydraulic machine
Letter in French from Professor Aldini (with translation) about hydraulic machine
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Mesnil de Lepinay about magnetic attraction
Letter in French from Le Sieur Leguin about instrument to know constellations and for measuring passage of a ship
Letter in French from Le Sieur Leguin about instrument to know constellations and for measuring passage of a ship
Letter in French from Le Chevalier de Labrosse about improved balloon
Letter in French from Le Chevalier de Labrosse about improved balloon
Letter in French from Latour de Villeneuve about hemp addressed to Monsieur Wills with business card
Letter in French from Latour de Villeneuve about hemp addressed to Monsieur Wills with business card
Letter in French from J B Picard about his method of destroying insects and of making timber fireproof
Letter in French from J B Picard about his method of destroying insects and of making timber fireproof
Letter in French from Hubert Sarton on his new 'regulateur de compensation' and his improved method of mining
Letter in French from Hubert Sarton on his new 'regulateur de compensation' and his improved method of mining
Letter in French from Hubert Sarton on his new 'regulateur de \ncompensation'
Letter in French from Hubert Sarton on his new 'regulateur de \ncompensation'
Letter in French from François Mainardi about dyeing, with samples
Letter in French from François Mainardi about dyeing, with samples
Letter in French from Du Carne Clancy with translation and drawings of his method of saving the people and cargo of a vessel
Letter in French from Du Carne Clancy with translation and drawings of his method of saving the people and cargo of a vessel
Letter in French from Dr Joseph Coelestin Astori about water mills
Letter in French from Dr Joseph Coelestin Astori about water mills
Letter in French from Dr Desales la Terriere about cultivation of hemp in Canada with copies of 'Courier de Quebec'
Letter in French from Dr Desales la Terriere about cultivation of hemp in Canada with copies of 'Courier de Quebec'
Letter in French from De Laiaze about mechanical inventions
Letter in French from De Laiaze about mechanical inventions
Letter in French from Baron Charles de Meidinger about tar for ships, with printed notices in German
Letter in French from Baron Charles de Meidinger about tar for ships, with printed notices in German