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Updated: May 5, 2025
If we simply make a solution of blue vitriol in a glass beaker and dip the wires from a voltaic cell into it, we shall find the wire from the negative pole become freshly coated with particles of new copper. The sulphate has been broken up, and the liberated metal, being positive, gathers on the negative electrode.
I declared, with reason, that I had drunk too much already, and crept away to my bed, which happily was close at hand. For at least two days after that incident I smelt like a newly-painted lamp-post, but I have always felt grateful to the careless dog of a servant for not having served me up oxalic acid or vitriol in place of the turpentine.
If we write on paper with dilute sulphuric acid, and dry and then heat the place written upon, the cellulose is destroyed and charred, and we get black writing produced. The principle involved is the same as in the separation of cotton from mixed woollen and cotton goods by means of sulphuric acid or vitriol.
The aquafortis vessel to be outside the dye-house, or, if inside, to be provided with a funnel to carry away the nitrous fumes, as it is dangerous to other colors. Preparation or mordant for eight dresses, silk and wool mixed, for black. 4 lb. Copperas. ½ " Bluestone. ½ " Tartar. If very heavy, run through lukewarm water slightly acidulated with vitriol, rinse, hydro-extract, and hang in stove.
No matter what his subject, however, Edgar Poe always wrote with power with intensity. He seemed by turns to dip his pen into fire, into gall, into vitriol at times into his own heart's blood.
From this night he shall do my bidding. And he is the trusted friend and companion of Frank Merriwell! Ah! through him I will strike Merriwell, even as I promised to strike him. I told him I would ruin his beauty. Through this friend of his I will accomplish the deed. Here I have a vial of vitriol. I always carry several vials of poison with me.
But a better Instance may be taken from Copper, for I have try'd, that if upon a Copper-plate you let some Drops of weak Aqua-fortis rest for a while, the Corpuscles of the Menstruum, joyning with those of the Metall, will produce a very sensible Asperity upon the Surface of the Plate, and will Concoagulate that way into very minute Grains of a Pale Blew Vitriol; whereas if upon another part of the same Plate you suffer a little strong Spirit of Urine to rest a competent time, you shall find the Asperated Surface adorn'd with a Deeper and Richer Blew.
The wooded cliff swarmed with "them," and a few steps would have carried us across the interval; yet all about us was silence, and the peace of the forest. Again, for a minute, I had the sense of an all-pervading, invisible power of evil, a saturation of the whole landscape with some hidden vitriol of hate.
"Shall I tell him what you have said to me?" "No, no!" she exclaimed, in sudden affright, "I will tell him." "Be sure ye do. As for these editors, I have me own way of dealing with them. I will soon know whether you are right or wrong. Ye're a sick woman, and such, they say, have queer fancies. You admit you're jealous, and I've heard that jealous women are built of hell-fire and vitriol.
This evil, however, may be lessened, by placing a dish containing oil of vitriol poured on saltpetre where the smell is most annoying. Chloride of lime and water is also good. In using any of the above-mentioned poisons, great care should be taken to guard against their getting into any article of food or any utensil or vessel used for cooking or keeping food, or where children can get at them.
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