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Updated: June 2, 2025
If the rock in the fair-way is got ready before my return, blast it at once, without waiting for me. You will find one of Siebe and Gorman's voltaic batteries in my lodging, also a frictional electrical machine, which you can use if you prefer it. In the store there is a large supply of tin-cases for gunpowder and compressed gun-cotton charges.
On being ordered off on his present duty, he had gone to a friend in the Royal Engineers and begged a good bit of gun-cotton, carried for blasting purposes, and with this he proposed to make a mine, an electric battery and a coil of wire forming part of his baggage.
There were indeed dangers accruing as before from the carelessness of the Americans, but Barbicane had set his heart on success, and took all possible precautions. In the first place, he was very careful as to the transportation of the gun-cotton to Stones Hill. He had it conveyed in small quantities, carefully packed in sealed cases.
But what confusion, what anxieties, what struggles were undergone by President Barbicane! In vain had he refused admission to Stones Hill; every day the inquisitive neighbors scaled the palisades, some even carrying their imprudence to the point of smoking while surrounded by bales of gun-cotton. Barbicane was in a perpetual state of alarm.
Lieut. Fiske next referred briefly to the electrical torpedoes employed in the Crimean war and our civil war. At the present day, an electrical torpedo may be described as consisting of a strong, water-tight vessel of iron or steel, which contains a large amount of some explosive, usually gun-cotton, and a device for detonating this explosive by electricity.
Unfortunately, the instantaneous explosion of such a vast quantity of gun-cotton, by giving rise to a violent commotion in the atmosphere, generated so much vapor and mist as to render the Moon invisible for several nights to the innumerable watchers in the Western Hemisphere, who vainly tried to catch sight of her.
Some of the Carbineers are also under the impression that they captured a gun, and though there is nothing to show for it, they deserve full credit for an important share in the night's success. A line was formed in rear of the battery, while engineers put rings of gun-cotton round Big Ben's muzzle and breech.
They made straight for the sangar and formed in a circle round it, firing outwards without visible target. To their dismay they found the gun-pit empty. The gun had been removed perhaps for security, perhaps for the Sabbath rest. But it was soon discovered a few yards off, and the sappers set to work with their gun-cotton.
"Yes, five little minutes!" replied Michel Ardan; "and we are enclosed in a projectile, at the bottom of a gun 900 feet long! And under this projectile are rammed 400,000 pounds of gun-cotton, which is equal to 1,600,000 pounds of ordinary powder!
Accordingly, he took one of these vessels of infusion, which had been kept eighteen months, without the least appearance of life in it, and by a most ingenious contrivance, he managed to break it open and introduce such a ball of gun-cotton, without allowing the infusion or the cotton ball to come into contact with any air but that which had been subjected to a red heat, and in twenty-four hours he had the satisfaction of finding all the indications of what had been hitherto called spontaneous generation.
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