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Updated: June 5, 2025
And to confirm that for which I allege the former Experiment, I shall add this other, that having made a very strong and high-colour'd Solution of Filings of Copper with Spirit of Urine, though the Menstruum seem'd Glutted with the Metall, because I put in so much Filings that many of them remain'd for divers days Undissolv'd at the Bottom, yet having put three or four Drops of Syrrup of Violets upon White Paper, I found that the deep Blew Solution proportionably mingl'd with this other Blew Liquor did not make a Blew mixture, but, as I expected, a fair Green, upon the account of the Urinous Salt that was in the Menstruum.
STAINING OF BONE. This article must first be prepared, by being steeped for several days in a mixture of roche alum, vitriol, verdigris, and copper filings, infused in white wine vinegar. When the ingredients are dissolved, the mixture may be boiled with the bone in it, and it will take a fine green colour.
A rickety cottage on an abandoned Connecticut farm that is waiting for a Bohemian emigrant to make it pay is not a gay place, especially when two-thirds of the house has been turned into a workshop that smells everlastingly of smith's coal, brass filings, and a nauseous chemical which seemed to be necessary to the life of the Air-Motor, and when the rest of the house is furnished in a style that would make a condemned cell look attractive by contrast.
But one could take castings of it, and use them for molds, and fill them with powder and filings and turnings, and heat them not even red-hot and there would be steel hulls in one piece. Solid steel hulls! Needing no riveting nor anything else and one could do it fast! While the first hull was fitting out a second could be molded The Chief roared: "You fool little runt!" he bellowed.
So, when you take a magnet, and hold it to an indiscriminate heap of metal filings, it will gather out all the iron, and leave behind all the rest. 'I, if I be lifted up, said He, 'will draw all men unto Me. The attractive power will go out over the whole race of His brethren; but from some there will be no response. In some hearts there will be no yielding to the attraction.
Some of them were put to work dumping the heavy iron filings into the big oak gas generators and Ned and Alan began the delicate work of laying out the bag, bottom side up the thin silken folds of the golden shell were slowly lifted and laid on the ground.
"And now, your excellency, I should like you kindly to select another bag; we shall make two or three more tests in the same way." The prince consented to this also. Escrocevitch handed him a new piece of charcoal to sprinkle dust on, and once more brought the blow-pipe into operation. And again the brass filings disappeared and in the crevice appeared a new globule of gold.
Water was then poured into the vessel so as just to cover the bottles, and filings of iron were thrown in occasionally to heighten the magnetic effect. The vessel was then covered with an iron cover, pierced through with many holes, and was called the baquet. From each hole issued a long moveable rod of iron, which the patients were to apply to such parts of their bodies as were afflicted.
Sulphuric acid and iron filings were used by Charles for filling his balloon, which required three days and three nights for the generation of its 14,000 cubic feet of hydrogen gas. The inflation was completed on December 1st, 1783, and the fittings carried included a barometer and a grapnel form of anchor.
When iron filings are scattered over a magnet, the particles of iron arrange themselves in certain determinate lines called magnetic curves.
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