MARCHÉ FILS Autograph copy of his letter to Nicolas de Condorcet,  Saint-Ambroix (Gard), 6 November 1783 and 11 January 1784

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Lot 200
MARCHÉ FILS
Autograph copy of his letter to Nicolas de Condorcet, Saint-Ambroix (Gard), 6 November 1783 and 11 January 1784

Sold for £ 1,125 (US$ 1,505) inc. premium
MARCHÉ FILS
Autograph copy of his letter to Nicolas de Condorcet, Permanent Secretary of the Académie des Sciences, asking him to share with the illustrious academy his device for keeping "le globe ingenieux de Mr. Montgolfier" on a straight and flat trajectory; together with his autograph 'Memoire pour la direction du globe volan' signed ("Marché fils, mineralogiste"), directed to a M. D'urban, 10 pages in total, with 3 ink and watercolour designs (2 of which double-page) of his "globe volan" from different aspects, folio, preserved in modern chemise, Saint-Ambroix (Gard), 6 November 1783 and 11 January 1784

Footnotes

  • "Au moyens de mon accessoire, la machine peut devenir de laplus grande utilité ala Societé, surtout pour les Sciences astronomique... ainsi q'une infinité d'autres avantages, qui peuvent en resulter": an entrepreneurial engineer solicits interest — and subscriptions of 500 Louis — in a dirigible version of the Montgolfiers' balloon.

    The invention of the dirigible balloon is often attributed to Jean Baptiste Meusnier, who in late 1783 was already working on controlling the altitude of balloons, and around the middle of 1784 presented to the Académie plans for an ellipsoidal balloon propelled by human-powered screws. Marché's dirigible must have been one of several competing proposals, and is indicative of the frenzy of innovation that followed the Montgolfiers' demonstrations.
Contacts
MARCHÉ FILS Autograph copy of his letter to Nicolas de Condorcet,  Saint-Ambroix (Gard), 6 November 1783 and 11 January 1784
MARCHÉ FILS Autograph copy of his letter to Nicolas de Condorcet,  Saint-Ambroix (Gard), 6 November 1783 and 11 January 1784
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