File:Silesian-Stollberg retorts furnace for zinc distillation.png
Silesian-Stollberg_retorts_furnace_for_zinc_distillation.png (632 × 541 pixels, file size: 116 KB, MIME type: image/png)
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Summary[edit]
| Description |
Français : Four à cornues silésien de Stollberg utilisé pour la distillation du zinc.
English: In some establishments, and particularly those at Stolberg in Prussia, the retorts have the form D, represented in fig. 698. C is an adapter also of fire clay ; B a cone of wrought iron, and A a small vessel of the same material for tlie collection of the oxide, and furnished in the bottom with an aperture for the escape of the gases generated.
These are arranged on either side of a grate as represented, fig. 699, an internal opening serving for two retorts, and of which there are usually twelve in each furnace, E is the fire door ; F grate ; G chamber in masonry of furnace ; H diaphragm of fire brick supporting adapter, in the depressed part of which the metallic zinc is collected and subsequently removed by a scraper, as in the case of the cone of the Belgian retort. The wrought-iron vessel A is supported by a chain or wire J. Fig. 700 represents a longitudinal elevation of the roasting furnace employed. |
| Date | |
| Source | A supplement to Ure's Dictionary of Arts, Manufactures, and Mines, - containing a clear exposition of their principles and practice, p.1095-1096 |
| Author | Robert Hunt (1807-1887) |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| current | 19:06, 6 April 2018 | | 632 × 541 (116 KB) | Borvan53 (talk | contribs) | User created page with UploadWizard |
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