Letter of patent for André Michel Massonnet from Paris for an invention regarding "certain improvements in alloys of metal and of other substances and also in the application of the same to various usefull purposes".
United Kingdom, London, d.d. 5-1-1853. Two vellum sheets, 46x61 and 51x75 cm. Manuscript text wih printed decorative margins. Large seal, 16 cm. diam., depicting a throned Queen Victoria. The seal is connected to the charter by a rope. The seal is in good condition, the charter has slight damage on the folds. H212
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Book number: 14333
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