Evolving Rules of a Wargame

We then began to humanise that wild and fearful fowl, the gun. We decided that a gun could not be fired if there were not six—afterwards we reduced the number to four—men within six inches of it. And we ruled that a gun could not both fire and move in the same general move: it could either be fired or moved (or left alone). If there were less than six men within six inches of a gun, then we tried letting it fire as many shots as there were men, and we permitted a single man to move a gun,...

 Bacon's Recipe for Gun Powder

Sed tamen salis petrae. VI. Part V. NOV. CORVLI. ET V. sulphuris, et sic facies toniitrum et coruscationem: sic facies artificium. But, however, of saltpetre take six parts, live of young willow (charcoal), and five of sulphur, and so you will make thunder and lightning, and so you will turn the trick. Bacon's recipe for Gunpowder, partly expressed as an anagram in the original Latin.