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Siege of OstendMachines. Invenciones del arquitecto italiano Pompeo Targone durante el sitio de Ostende de Pompeo Targones military works for the siege of Ostende ub leidenuniv nl html Principios del siglo XVI Lmina de Giuseppe Gamurini sobre un diseo de Pompeo Targone PDold Siege of Ostend Printed works Leiden University Library