 | Charles Holtzapffel - 1843 - 496 pages
...Nickel has been proposed as an addition to gun metal by Mr. Donkin, and antimony by Dr. Ure. POT METAL (copper and lead) is improved by the addition of tin,...so much the more nearly approaches the condition of gun metal. Zinc may be added to pot-metal in very small quantity, but when the zinc becomes a considerable... | |
 | Charles Holtzapffel - 1846 - 498 pages
...Nickel has been proposed as an addition to gun metal by Mr. Donkin, and antimony by Dr. Ure. POT METAL (copper and lead) is improved by the addition of tin,...so much the more nearly approaches the condition of gun metal. Zinc may be added to pot-metal in very small quantity, but when the zinc becomes a considerable... | |
 | Oliver Byrne - 1864 - 682 pages
...an addition to gun-metal by O'Donovan, of Dublin, and antimony by his countryman, Dr. Ure. POT METAL (copper and lead) is improved by the addition of tin,...approaches the condition of gun-metal. Zinc may be added to pot metal in very small quantity, but when the zinc becomes a considerable amount, the copper takes... | |
 | Oliver Byrne - 1874 - 718 pages
...an addition to gun-metal by O'Donovan, of Dublin, and antimony by his countryman, Dr. Ure. POT METAL (copper and lead) is improved by the addition of tin,...approaches the condition of gun-metal. Zinc may be added to pot metal in very small quantity, but when the zinc becomes a considerable amount, the copper takes... | |
 | Oliver Byrne - 1878 - 720 pages
...an addition to gun-metal by O'Donovan, of Dublin, and antimony by his countryman, Dr. Ure. POT METAL (copper and lead) is improved by the addition of tin,...approaches the condition of gun-metal. Zinc may be added to pot metal in very small quantity, but when the zinc becomes a considerable amount, the copper takes... | |
 | Edward Balfour - 1885 - 1302 pages
...' akkansu ' (TEL.). It is formed into vessels for containing acid food, buttermilk, etc. Pot metal (copper and lead) is improved by the addition of tin,...the three metals will mix in almost any proportions. Zinc may be added to pot metal in very small quantity ; but when the zinc becomes a considerable amount,... | |
 | Edward Balfour - 1885 - 1210 pages
...book. POTHOS, a genus of Aracese, or arum tribe of plants. POT-METAL, an alloy of copper and lead. It is improved by the addition of tin, and the three metals will mix in almost any proportions. Zinc may be added to pot^metal in very small quantity ; but when the zinc becomes a considerable amount,... | |
 | Edward Balfour - 1885 - 1224 pages
...book. POTHOS, a genus of Aracese, or arum tribe of plants. POT-METAL, an alloy of copper and lead. It is improved by the addition of tin, and the three metals will mix in almost any proportions. Zinc may be added to pot-metal in very small quantity ; but when the zinc becomes a considerable amount,... | |
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Zinc may be added to pot metal in very small quantity, but when the zinc becomes a considerable amount, the copper takes up the zinc, forming a kind of brass, and leaves the lead at liberty, and which in great measure separates in cooling. Zinc and lead... 