Although the current range of the firecracker is relatively short, not as long as the range of some bows and crossbows, Jiang Lan knows that although the range of the firecracker is relatively short, it has strong lethality, not to mention that this is only the first generation of firecracker, and the training of firecrackers is much easier than that of archers, and a large number of sergeants can be equipped in a short period of time

After watching the gunpowder, Jiang Lan took Yuen Long to the gunpowder production workshop, and the current gunpowder formula is still according to Jiang Lan's previous experiment......

Chapter 42 of "The First Horse of Great Qin" The Emperor's Mind is in the middle of the hand, please wait a moment,

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