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«and of the profession of fortifying she understands the rules and terms so well that she can make a judgement of it». Christine of France, Duchess of Savoy and Carlo di Castellamo...
2.
Francesco Prestino and Giacomo Tensini, engineers at the service of the king of Spain. Fortifications reinforcement, cities drawings
Le città di carta. Disegni dal Krigsarkivet di Stoccolma