 ... are rubbed, after which they are made red-hot, and then polished. The intention of this process appears to be little more than to apply the silver in a state of minute division to the clean surface of the copper, and afterwards to fix it there by...  A System of Theoretical and Practical Chemistry - Page 153by Friedrich Christian Accum - 1803Full view - About this book
 | James Cutbush - Chemistry - 1813 - 344 pages
...with acidulous tartrate of potash, and sulphate of alumina, are rubbed ; after which they are made hot, and then polished. The intention of this process...may be effected by using the argentine precipitate here mentioned with supersaturated borate of soda, or mercury, and causing it to adhere by fusion.... | |
 | Andrew Ure - Chemistry - 1821 - 418 pages
...have been preriously boiled with tartar and alum, are robbed, after which they are made red-licit, and then polished. The intention of this process appears...minute division to the clean surface of the copper, and afterward to fix it there by fusion ; and accordingly this silvering may be effected by using the argentine... | |
 | Andrew Ure - Chemistry - 1821 - 512 pages
...and alum, are robbed, after which they are made red-ho', and then polished. The intention of thi« process appears to be little more than to apply the...minute division to the clean surface of the copper, and afterward to fix it there by fusion ; and accordingly this silvering may be effected by using the argentine... | |
 | Thomas Curtis - Aeronautics - 1829 - 798 pages
...that have been' previously boiled with tartar and alum, are rubbed, after which they are made red-hot, and then polished. The intention of this process appears...may be effected by using the argentine precipitate here mentioned, with borax or mercury, and causing it to adhere by fusion. The dial-plates of clocks,... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - Encyclopedias and dictionaries - 1832 - 622 pages
...that have been previously boiled with tartar and alum, are rubbed, after which they are made red-hot, and then polished. The intention of this process appears...may be effected by using the argentine precipitate, here mentioned, with borax or mercury, and causing it to adhere by fusion. The dialplates of clocks,... | |
 | Encyclopaedia Americana - 1832 - 620 pages
...that have been previously boiled with tartar and alum, are rubbed, after which they are made red-hot, and then polished. The intention of this process appears to be little more than to apply tho silver in a state of minute division to the clean surface of the copper, and afterwards to fix... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 624 pages
...that have been previously boiled with tartar and alum, are rubbed, after which they are made red-hot, and then polished. The intention of this process appears to be little more than to apply the s,lver in a state of minute division to the clean surface of the copper, and afterwards to fix it there... | |
 | Industrial arts - 1838 - 348 pages
...that have been previously boiled with tartar and alum, are rubbed, after which they are made red-hot, and then polished. — The intention of this process...may be effected by using the argentine precipitate here mentioned, with borax or mercury, and causing it to adhere by fusion. The dial-plates of clocks,... | |
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