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James Lonsdale (1777-1839)

Sir William Congreve (1742-1814) c. 1805-10

Oil on canvas | 127.8 x 103.2 x 2.7 cm (support, canvas/panel/str external) | RCIN 405149

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As Comptroller of the Royal Laboratory, Sir William Congreve made important advancements in the production of gunpowder for allied troops fighting in the Napoleonic Wars.