It was some sixty feet long and forty feet wide, with pillars of masonry along the centre to support the weight of the roof.

It was lighted only by small loopholes in the thick walls.

Four of the soldiers carried lanterns, and they were about to enter, when Desmond said: "There is no loose powder lying about, I suppose ?" "None," the officer replied.

"The barrels were all carefully examined before being taken into the store.

They are, as you can see, strongly made.