But my uncle seemed to believe in his arsenal as in his instruments, and more especially in a considerable quantity of gun cotton, which is unaffected by moisture, and the explosive force of which exceeds that of gunpowder.

叔叔似乎相信他武库和他乐一样，尤其是相当数量枪棉，它不受影响， 其爆炸力超过了火药。