... was placed some detonating powder, and into it was pre tightly fixed a glass tube containing sulpfhuric acid. This on tube striking against any hard substance such as the side of ten a ship, breaks, and the sulphuric acid running into the ads detonating ...

... using as a speaking tube. John King seized another, and began to fence with it; I could hear the noise of the two tubes striking against each other. Then, most amazing of all, John King wrested the tube from his adversary; and then, proceeding to ...