 ... 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...  The Penny Mechanic, and the Chemist - Page 1861837Full view - About this book
 | Friedrich Christian Accum - 1803 - 384 pages
...previously boiled with acidulous tartarite of potash, and sulphate of alumine, are rubbed, after which they are made red hot and then polished. The intention...may be effected by using the argentine precipitate hef mentioned with supersaturated borate of soda, or mercury, anJ causing it to adhere by fusion. The... | |
 | Friedrich Christian Accum - 1808 - 492 pages
...acidulous tartarite of potash, and sulphate of alumine, are rubbed, after which they are made red-hot, and then polished. The intention of this process appears...using the argentine precipitate here mentioned with super-saturated borate of soda, or mercury, and causing it to adhere by fusion. The dial plates of... | |
 | James Cutbush - 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...using the argentine precipitate here mentioned with supersaturated borate of soda, or mercury, and causing it to adhere by fusion. Various instruments,... | |
 | Andrew Ure - 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 - 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 - 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...borax or mercury, and causing it to adhere by fusion. The dial-plates of clocks, the scales of barometers, and other similar anieles, are silvered by rubbing... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 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...borax or mercury, and causing it to adhere by fusion. The dialplates of clocks, the scales of barometers, and other similar articles, are silvered by nibbing... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 1832 - 616 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... | |
 | 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, Thomas Gamaliel Bradford, Henry Vethake - 1832 - 628 pages
...ha\e heeii previously hoiled with tartar and alum, are шЫич), after which they are made red-hot, and then polished. The intention of this process appears to be little mor«; than to apply the 'if minim* division to the clean surface of the copper, and afterwards to... | |
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