First Page Project Gutenberg Header Page 182 of 198 Next Page Last Page CHAPTER XXIII. THE CLUB MEN GO A FISHING. - All Around The Moon

CHAPTER XXIII. THE CLUB MEN GO A FISHING.

Captain Bloomsbury was perfectly right when he said that almost everything was ready for the commencement of the great work which the Club men had to accomplish. Considering how much was required, this was certainly saying a great deal; but here also, as on many other occasions, fortune had singularly favored the Club men.

San Francisco Bay, as everybody knows, though one of the finest and safest harbors in the world, is not without some danger from hidden rocks. One of these in particular, the Anita Rock as it was called, lying right in mid channel, had become so notorious for the wrecks of which it was the cause, that, after much time spent in the consideration of the subject, the authorities had at last determined to blow it up. This undertaking having been very satisfactorily accomplished by means of _dynamite_ or giant powder, another improvement in the harbor had been also undertaken with great success. The wrecks of many vessels lay scattered here and there pretty numerously, some, like that of the _Flying Dragon_, in spots so shallow that they could be easily seen at low water, but others sunk at least twenty fathoms deep, like that of the _Caroline_, which had gone down in 1851, not far from Blossom Rock, with a treasure on board of 20,000 ounces of gold. The attempt to clear away these wrecks had also turned out very well; even sufficient treasure had been recovered to repay all the expense, though the preparations for the purpose by the contractors, M'Gowan and Co. had been made on the most extensive scale, and in accordance with the latest improvements in the apparatus for submarine operations.

Buoys, made of huge canvas sacks, coated with India rubber, and guarded by a net work of strong cordage, had been manufactured and provided by the _New York Submarine Company_. These buoys, when inflated and working in pairs, had a lifting capacity of 30 tons a pair. Reservoirs of air, provided with powerful compression pumps, always accompanied the buoys. To attach the latter, in a collapsed condition, with strong chains to the sides of the vessels which were to be lifted, a diving apparatus was necessary. This also the _New York Company_ had provided, and it was so perfect in its way that, by means of peculiar appliances of easy management, the diver could walk about on the bottom, take his own bearings, ascend to the surface at pleasure, and open his helmet without assistance. A few sets likewise of Rouquayrol and Denayrouze's famous submarine armor had been provided. These would prove of invaluable advantage in all operations performed at great sea depths, as its distinctive feature, "the regulator," could maintain, what is not done by any other diving armor, a constant equality of pressure on the lungs between the external and the internal air.

But perhaps the most useful article of all was a new form of diving bell called the _Nautilus_, a kind of submarine boat, capable of lateral as well as vertical movement at the will of its occupants. Constructed with double sides, the intervening chambers could be filled either with water or air according as descent or ascent was required. A proper supply of water enabled the machine to descend to depths impossible to be reached otherwise; this water could then be expelled by an ingenious contrivance, which, replacing it with air, enabled the diver to rise towards the surface as fast as he pleased. Next Page

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