The Fortezza da Basso was conceived like military center of the mediceo State. It supplied crews and ammunitions to all the Tuscany and could count on a richest arsenal and one folta garrison.
The numbers speak clear. To the citadel they were destined approximately shakes it between picche and halberds, more than novemila moschetti and beyond undicimila archibugi. In the 1600's the armory was in a position to equipping trentamila persons. And in a 1737 inventory of the crews found listed, between the other: 141 petrieri guns of varied bore, 29 guns, 8 mortars (always petrieri), 10 bomb dropping gears, 930 bombs and 32,775 moschetti.
Within the Fortress, moreover, an enormous foundry worked, to which commission of all the types arrived. As far as the preparation of explosive powders, they were to payroll a some thirty of suppliers accustoms them of salnitro, scattered for the Tuscany - from Montalcino to Grosseto - and legacies from particular conventions.
The future bombers went in the roccaforte of the Sangallo to study the art and to practice. The school of Florence, in fact, particularly was rinomata. All these elements strongly supply the picture of a military takeover to the vanguard, defined from Francisco de Hollanda “the better one of Europe”.
Is possibole , therefore, than in the citadel was kept dawns to us to you on the war technical new and the new types of crews.
And the studies did not have to escape, develop especially between the 1500's and the 1600's to you, on the deadly devices that preran modern toxic gases. Already Leonardo had taken care itself of the argument, advising to throw a sure powder against the enemy ships, because] “all those that of the anelito one piglieranno" said powder cho the anelito one "tramortiranno"...