Making and Knowing
A minimal edition of BnF Ms Fr 640 in English Translation

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To shoot a gun without noise

Warm up the barrel and close the lumiere d’embas, and take a piece of the freshest porksuint that you can find and as long as the phalanx of your little finger and the size of the diameter of the canon, and push it back and forth until it is completely melted. Then, load a cartridge which fits on the top of the barrel, as you know, and it will only make a little whistling.