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Updated: June 10, 2025
Taking some azotic acid, he mixed it with glycerine, which had been previously concentrated by evaporation, subjected to the water-bath, and he obtained, without even employing a refrigerant mixture, several pints of an oily yellow mixture.
"Without any doubt, the island, continents, and the world itself," replied the engineer. "It is only a question of quantity." "Then could you not use this nitro-glycerine for loading firearms?" asked the sailor. "No, Pencroft; for it is too explosive a substance. But it would be easy to make some guncotton, or even ordinary powder, as we have azotic acid, saltpeter, sulphur, and coal.
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