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Books Bücher 1 - 9 von 9 in It is sufficiently powerful to melt pure iron in a crucible, in twelve or fifteen...
" It is sufficiently powerful to melt pure iron in a crucible, in twelve or fifteen .minutes, the fire having been previously lighted. It will effect the fusion of rhodium, and even pieces of pure platinum have sunk together into one button in a crucible... "
Chemical Manipulation;: Being Instructions to Students in Chemistry, on the ... - Seite 94
von Michael Faraday - 1827 - 646 Seiten
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Penny Cyclopaedia of the Society for the Diffusion of Useful ..., Bände 11-12

1838
...rhodium, and even pieces of pure platinum have sunk together into one button in a crucible heated by it ; all kinds of crucibles, including the Cornish and...the Hessian, soften, fuse, and become frothy in it. The assay or cupelling furnace is a small furnace made of iron, lined with refractory clay, and containing...
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The Penny Cyclopaedia of the Society for the Diffussion of Useful ..., Band 11

1838
...rhodium, and even pieces of pure platinum have sunk together into one button in a crucible heated by it ; all kinds of crucibles, including the Cornish and...the Hessian, soften, fuse, and become frothy in it. The assay or cupelling furnace is a small furnace made of iron, lined with refractory clay, and containing...
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Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge, Band 11

1838
...rhodium, and even pieces of pure platinum have sunk together into one button in a crucible heated by it ; all kinds of crucibles, including the Cornish and...the Hessian, soften, fuse, and become frothy in it. The assay or cupelling furnace is a small furnace made of iron, lined with refractory clay, and containing...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

John Mitchell (F.C.S.) - 1846 - 426 Seiten
...one button in a crucible subjected to its heat.* All kinds of crucibles, including the Cornish and Hessian, soften, fuse, and become frothy in it ; and...want of vessels which has hitherto put a limit to its application. The exterior consists of a blue pot, (blacklead pot), eighteen inches in height, and thirteen...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

John Mitchell (F.C.S.) - 1846 - 426 Seiten
...one button in a crucible subjected to its heat.* All kinds of crucibles, including the Cornish and Hessian, soften, fuse, and become frothy in it ; and...want of vessels which has hitherto put a limit to its application. The exterior consists of a blue pot, (blacklead pot), eighteen inches in height, and thirteen...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

John Mitchell (F.C.S.) - 1854 - 426 Seiten
...one button in a crucible subjected to its heat.* All kinds of crucibles, including the Cornish and Hessian, soften, fuse, and become frothy in it ; and...want of vessels which has hitherto put a limit to its application. The exterior consists of a blue pot (black-lead pot), eighteen inches in height, and thirteen...
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The English Cyclopaedia

1867
...rhodium, and even pieces of pure platinum have sunk together into one button in a crucible heated by it; all kinds of crucibles, including the Cornish and...the Hessian, soften, fuse, and become frothy in it. Mr. Faraday had such a furnace as this long in use at the Royal Institution. The assay or cupelling...
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Arts and Sciences: Or, Fourth Division of "The English Encyclopedia", Band 4

Charles Knight - 1867
...rhodium, and even pieces of pure platinum have sunk together into one button in a crucible heated by it; all kinds of crucibles, including the Cornish and...the Hessian, soften, fuse, and become frothy in it. Mr. Faraday had such a furnace as this long in use at the Royal Institution. The assay or cupelling...
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A Manual of Practical Assaying

John Mitchell (F.C.S.), William Crookes - 1868 - 697 Seiten
...one button in a crucible subjected to its heat.* All kinds of crucibles, including the Cornish and Hessian, soften, fuse, and become frothy in it ; and...want of vessels which has hitherto put a limit to its application. The exterior (fig. 20) consists of a black-lead pot, eighteen inches in height, and thirteen...
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