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On the tenth way of firing, which demonstrates with what rule one can fire at any army or other thing that is hidden behind some mountain, or at any other height whatsoever. Chap. 82. 61
On the eleventh way of firing for the purpose of defending a fortress in time of an assault. Chap. 83 62
On the twelfth way of firing, which is for removing the defenses of the besieged enemies. Chap. 84. 62
On the thirteenth way of firing, which is firing at a squadron of people. Chap. 85 63
On the fourteenth way of firing, which treats of the order that must be observed regarding presenting the artillery to the enemy commander on the day of battle. Chap. 86 63
On the fifteenth way of firing, where it is asked if an artillery piece will fire farther from the summit of a mountain or from the foot of it. c. 87. 64
On the manner of knowing with reason how to correct and amend high or low shots, and side-shots, that are made with the pieces. Chap. 88 64
On the manner of cooling or refreshing the pieces that are hot and tired from too much firing. Chap. 89 64
On the manner of spiking the artillery pieces, and in what way, after they have been spiked, one can use them with speed without losing time. Chap. 90. 65
On the manner of extracting a ball that had been stuck for a long time, or rust held inside the bore of an artillery piece. Chap. 91 65
On the manner of breaking artillery pieces with the greatest speed possible. Chap. 92 66
On the platforms upon which the artillery plays, and on their formation. Chap. 93 66
On the gabions or large baskets to cover oneself from cannonballs and musket shots fired by the enemies from the wall. Chap. 94 67
On the manner of repairing and adjusting the vents damaged on the pieces, when from too much firing they become too wide, tortuous, and poorly formed. Chap. 95. 68
On the manner of forming the bronze grain for the aforementioned purpose of repairing any damaged vent. Chap. 96 69
On a very beautiful secret for rounding and reducing to perfection the iron balls that will have come out of their molds crooked, horned, and poorly formed. Chap. 97 69
On the geometric caliber, which is used for the purpose of knowing how to extract balls from a store for every sort of piece, and knowing precisely the size of the ball that they all will have. Chap. 98 69
On the manner of making well-ordered salutes in times of joy and festivals. Chap. 99 70
On the manner of making mines for the purpose of blowing up any enemy machines, and leveling mountains to facilitate passage for armies. Chap. 100. 71
On the formation of the mine shaft, and with what order one must walk with it underground. c. 101. 72
On the manner the mine-maker must have when he has occasion to mine from a low place to a high one, and of how much importance it is to be versed in this exercise. Chap. 102 74
On the form of the mine shaft that leads the operator toward the summit of the mountains for the purpose of mining any fortress that might be built there. Chap. 102 74
On the third way of mining, which we said was when one wants to mine from the summit of a mountain downward to the foot of it to some fortress that might be planted there. Chap. 104 74
On the manner of leveling mountains and other high and eminent places that are around fortresses, so that the inhabitants cannot be harmed from them by enemy artillery. Chap. 105 75
On the most certain and secure way of being able to understand if the enemy is counter-mining you. Chap. 106 76
On a discussion made regarding the practice of measuring distances, heights, and depths. Chap. 107 76
On the formation and operation of the measuring staff, or Jacob's staff. Chap. 108 77
On the manner of knowing the goodness and quality of the powder, saltpeter, and other materials that are needed for its composition, with many other very important considerations and warnings that one must have regarding it. Chap. 109 78
On the manner of proving the saltpeter, so one can know if it will be well-refined and pure. Chap. 110 78
On some diverse and very beautiful ways of refining spoiled powder. Chap. 111 79
In what way from a quantity of spoiled powder one can make another smaller quantity of fine powder, there being no other saltpeter than that which is found in the spoiled powder. Chap. 112 80
On some ways of making powder with great speed, provided the materials of which the powder is composed are present. Chap. 113 80
On the manner of proving the powder to be able to know which is the best. Chap. 114 81
In what way one can know how to say from the diameter of a ball, whose weight is determined, what all the balls in the world weigh, there being no difference in the material from one to another. Chap. 115. 81
On many differences of balls, fires, trumpets, pots, and artificial fuses. Chap. 116 82
On the composition of simple balls, that is, those that serve to light up the countryside and the moats at night. Chap. 117 82
On the second difference of balls, which are those called composite. Chap. 118 83
On the third difference of fires, which we said were the armed balls, and on their composition. c. 119. 86
On the fourth difference of fires, which are those that are used in times of joy and festivals. Chap. 120 87
On the difficulty of bad passages, and the manner of transferring artillery over rivers. Chap. 121. 88
On another different way of forming a bridge. Chap. 122 89
On the manner of finding the true and determined width of any river for the purpose of forming on it the aforementioned bridges for armies to pass. Chap. 123 89
On the manner of bastioning or raising any platform or other machine with sod from a meadow and fascines fascina a bundle of sticks used for filling ditches or strengthening fortifications. Chap. 124. 90
On the manner of writing secretly, to be able to give warning to friends in time of a siege, or from one camp to the other. Chap. 125 91
On the iron marks that serve to extract balls with great speed from a supply. Chap. 126. 92