"At last!" exclaimed J.T. Maston.
"Shall we begin?" asked Captain Blomsberry.
"Without losing a second," answered J.T. Maston.
Every precaution was taken to keep the corvette perfectly motionless.
Before trying to grapple the projectile, the engineer, Murchison, wished to find out its exact position on the sea-bottom. The submarine apparatus destined for this search received their provision of air. The handling of these engines is not without danger, for at 20,000 feet below the surface of the water and under such great pressure they are exposed to ruptures the consequences of which would be terrible.
J.T. Maston, the commander's brother, and the engineer Murchison, without a thought of these dangers, took their places in the air-chambers. The commander, on his foot-bridge, presided over the operation, ready to stop or haul in his chains at the least signal. The screw had been taken off, and all the force of the machines upon the windlass would soon have brought up the apparatus on board.
The descent began at 1.25 p.m., and the chamber, dragged down by its reservoirs filled with water, disappeared under the surface of the ocean.
The emotion of the officers and sailors on board was now divided between the prisoners in the projectile and the prisoners of the submarine apparatus. These latter forgot themselves, and, glued to the panes of the port-lights, they attentively observed the liquid masses they were passing through.
The descent was rapid. At 2.17 p.m. J.T. Maston and his companions had reached the bottom of the Pacific; but they saw nothing except the arid desert which neither marine flora nor fauna any longer animated. By the light of their lamps, furnished with powerful reflectors, they could observe the dark layers of water in a rather large radius, but the projectile remained invisible in their eyes.
The impatience of these bold divers could hardly be described. Their apparatus being in electric communication with the corvette, they made a signal agreed upon, and the Susquehanna carried their chamber over a mile of space at one yard from the soil.