CHAPTER XVII

Hit With the tips of her periscopes just showing above the surface, R19 stealthily approached her prey. Every water-tight door was closed, even the hatch between the conning-tower and the centre compartment. Within the confined space of the conning-tower stood the Hon. Derek, Fordyce, and Petty Officer Chalmers, whose duty it was to transmit the Lieutenant-Commander's orders by means of voice-tubes, and telegraph to the torpedo-hands, engine-room artificers, and men stationed at the auxiliary ballast-tanks. The ha…