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Updated: June 10, 2025
Long before the first nitro-glycerine "go-devil" was sent down, down, to the uttermost depths, to shatter the oil-bearing rock, and set free the wonderful deposit that was destined to mark a new era in the affairs of men, rang out the Biblical mandate: "Let there be light," and in due time the whole world was illuminated.
With a view to saving the large quantity of solvents necessary to reduce the gun-cotton, and to get a more prompt and certain ignition with a larger grain, experiments were cautiously made by the admixture of varying proportions of nitro-glycerine to the gun-cotton when dissolved, or rather along with other solvents in the process of dissolving it.
And to prove it to me, he says his father has this town all underlaid with nitro-glycerine, and as soon as he gets ready he's going to blow the old thing out, and bust her up, let her rip, and demolish her. He said so down at the dam, and tole me not to tell anybody, but I thought they'd be no harm in mentioning it to you. "And now I believe I must be going. I hear Bill a-whistling.
Here, John," he said to the trembling attendant, "take this box away, and move it carefully, for I see that the nitro-glycerine is oozing out. Put it as tenderly down in the next room as if it were a box of eggs." As the box disappeared there was a simultaneous long-drawn sigh of relief from the audience.
Therefore, to be smokeless, a gunpowder must contain no other elements than oxygen, hydrogen, nitrogen, and carbon, and in such proportions that the products of combustion shall be wholly gaseous. The nitric ethers gun-cotton and nitro-glycerine constitute such explosive compounds.
But dynamite was not yet known at the time when the settlers worked on Lincoln Island. "And is it that liquid that is going to blow up our rocks?" said Pencroft incredulously. "Yes, my friend," replied the engineer, "and this nitro-glycerine will produce so much the more effect, as the granite is extremely hard, and will oppose a greater resistance to the explosion."
"Well, I'm always expecting to hear that it's blown up. It reminds me of nitro-glycerine," he added, smiling. She repeated the word. "An explosive, you know they put it in dynamite. They say a man once made it by accident, and locked up his laboratory and ran home and never went back." "I know what you mean!" she cried, her eyes alight with excitement. "All those foreigners!
It's all due, as I have invariably contended, to impure nitro-glycerine or unscientific handling of the pure article." "Yes." "Yes, indeed. Now, what would you say to an explosive " "Absolutely nothing," I replied decidedly. "I should pass it without even a nod." "Never mind your nonsense, Griggs.
I should have mentioned, however, that if it were required to send the torpedo into a citadel or fortress on a hill, it would be necessary to use a stronger explosive than any yet known, gun-cotton and dynamite being too weak, and nitro-glycerine too dangerous, therefore inadmissible." "Ha!" exclaimed the first Lord, "and where is such an explosive to be found?"
I've felt it that something would happen, some day, it frightened me, and yet I wished that something would happen. Only, I never would have thought of nitro-glycerine." She was unaware of the added interest in his regard. But he answered lightly enough: "Oh, not only the foreigners.
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