I saw another at work to calcine ice into gunpowder; who likewise showed me a treatise he had written concerning the malleability of fire, which he intended to publish.

• 我看到有一位在做将冰煅烧成火药的工作。他还给我看了他撰写的一篇关于火的可锻性的论文，他打算发表这篇论文。