Privateering patent granted by Charles III, which is part of a set of several patents he granted around 1771. The upper part shows the side view of a ship which, together with the border headed by the Royal Arms, serves as ornamentation for these patents. The patent was engraved by Hipólito Recarte.
HistoryLab
for Civic Engagement
HistoryLab
for Civic Engagement
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The image shows the layout of one of the twelve reverberatory furnaces for quicksilver metallurgy that were built in the Calle de Santa Ana of the Real de minas de Azogue de Nuestra Señora de la Concepción in New Spain. These furnaces were made on the outside of brick and lime, to resist water, and on the inside of brick and clay, to preserve the fire. The picture explains how they worked.
Print from the memoirs of Antoine de Jussieu. Aludel furnace and equipment for the distillation of mercury used in the Almadén mines.
Audio explanation of the founding of the viceroyal urban centres during the 16th century
Explanatory video on Blas de Lezo, Spanish Admiral
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This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.
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