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Creator Schwänder, Johann Georg Remove constraint Creator: Schwänder, Johann Georg

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    • Praxis Artolloriae Pyrotechnicae
    • Complete Instruction on the Making of Rockets, Fire-, Water- and Storm-Bullets, Grenades, Pitch- and Storm-Wreaths and Every Kind of Delightful and Serious Fireworks
    • 1660
    • 1660

    Fig. 104: Double hackbut or large wall gun.
    Fig. 105: Diagram of a loading shovel for artillery.
    Fig. 106: Diagram to calculate the caliber of stone ball relative to the mouth of the barrel.

    • 1660

    Fig. 90: Cross-section of a petard.
    Fig. 91: Reinforced madrier (above) and cut-away perspectival view of how the petard mounts into the madrier (below).

    • 1660

    Fig. 65: Mortar-fired rock grenade.
    Fig. 66: Diagram for glass grenade.
    Fig. 67: Diagram for iron grenade.
    Fig. 68: Diagram for lead grenade.
    Fig. 69: General diagram for grenade holes.