 | 1864 - 332 pages
...obtained in my experiments. When the furnace is hot, such fusions can be effected in much less time; for example, i Ib. of iron in 15 minutes. It need...advantage, that the oil-gas is free from those sulphurous compounds, the presence of which in coal-gas frequently causes damage to the crucibles. JteqnUite Blowing-... | |
 | 1864 - 654 pages
...obtained in my experiments. When the furnace is hot, such fusions can be effected in much less time; for example, i Ib. of iron in 15 minutes. It need...advantage, that the oil-gas is free from those sulphurous ctmpouuds, the presence of which in coal-gas frequently causes damage to the crucibles. itrquiniH-... | |
 | 1864 - 840 pages
...minutes. It need scarcely be added, that mall quantities of gold, silver, copper, brass, German •ilver, &c., can be melted with great ease, and that all the...commonly effected in platinum and porcelain crucibles can b« promptly accomplished in the smallest cylinder of this furnace ; and, in the case of platinum vessels,... | |
 | John Mitchell (F.C.S.) - 1868 - 840 pages
...GO minutes. When the furnace is hot, such fusions can be effected in much less time ; for example, 1 Ib. of iron in 15 minutes. It need scarcely be added,...&c., can be melted with great ease, and that all the metallurgical and chemical processes that are commonly effected in platinum and porcelain crucibles... | |
 | John Mitchell (F.C.S.) - 1868 - 802 pages
...60 minutes. When the furnace is hot, such fusions can be effected in much less time ; for example, 1 Ib. of iron in 15 minutes. It need scarcely be added,...&c., can be melted with great ease, and that all the metallurgical and chemical processes that are commonly effected in platinum and porcelain crucibles... | |
 | John Mitchell (F.C.S.) - 1868 - 808 pages
...minutes. When the furnace is hot, such fusions can be effected in much less time ; for example, 1 lb. of iron in 15 minutes. It need scarcely be added,...&c., can be melted with great ease, and that all the metallurgical and chemical processes that are commonly effected in platinum and porcelain crucibles... | |
 | James Lukin - 1870 - 174 pages
...furnace is hot, such fusions can be effected in much less time—for example, 1 Ib. of iron in fifteen minutes. It need scarcely be added that small quantities...platinum vessels, with this special advantage, that the oil gas is free from those sulphurous compounds, the presence of which in coal gas frequently causes... | |
 | James Lukin - 1874 - 214 pages
...furnace is hot, such fusions can be effected in much less time — for example, lib. of iron in fifteen minutes. It need scarcely be added that s'mall quantities...platinum vessels, with this special advantage, that the oil gas is free from those sulphurous compounds, the presence of which in coal gas frequently causes... | |
 | John Joseph Griffin - 1877 - 508 pages
...hot, such fusions can be effected in much less time ; for example, 1 Ib. of iron in 1.") minutes. ] t need scarcely be added that small quantities of gold,...; and, in the case of platinum vessels, with this sj>ecial advantage, that the oil-gas is free from those sulphurous compounds, the presence of which... | |
 | John Joseph Griffin - 1877 - 508 pages
...can be effected in much less time ; for example, 1 Ib. of iron in 15 minutes. It neecl scarcely Ite added that small quantities of gold, silver, copper,...silver, &c., can be melted with great ease, and that all tho chemical processes that are commonly effected in platinum and iorcelain crucibles can be promptly... | |
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Ib. of iron in 15 minutes. It need scarcely be added that small quantities of gold, silver, copper, brass, German silver, &c., can be melted with great ease, and that all the chemical processes that are commonly effected in platinum and porcelain crucibles... 