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resistance. Nonetheless, it is certain that the few cannon defending Kazan would first have to have been put out of action in order for the tower to be effective, as it would otherwise have been an obvious target for any remaining artillery.
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in just one night. Although older siege towers had been made obsolete by the advancement of artillery, Vyrodkov made a revolutionary alteration to the design: this new type of
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and 50 lighter cannon. This allowed a concentration of artillery fire on a section of the wooden wall or city, which played a crucial role in shattering
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near Kazan that he would build in 28 days. This would serve as a strong point for the capture of the city by the
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Ivan
Vyrodkov's name was first mentioned in 1538. It is known that he participated in
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This biographical article related to the
Russian military is a
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In 1552, he supervised the fortification works during the
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After the war, in 1557, Vyrodkov built a fortress and a
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