powder magazine

A powder magazine was set afloat, but it struck the schooner, which lay at anchor near the frigate.

So he flooded the powder magazine, threw all the small arms overboard, and knocked holes in the bottom of the ship.

But what is precisely the difference between shaving in a sinking ship and smoking in a powder magazine?

At another time, we are told, Fort Edward took fire, and the powder magazine was in great danger.

Presently the Ariadne disappeared under the waves after the stern powder magazine had exploded.