A Textbook of Ore Dressing
A Textbook of Ore Dressing
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In our eReader you can find the full English version of the book. Read A Textbook of Ore Dressing Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Textbook of Ore Dressing
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§ 246. The Trough Washer, or "trunking table" as it is sometimes called, in its simplest form, is a wooden trough which may or may not be lined with iron or steel plate. In length it varies from 4 to 12 feet, in width from 1.5 to 5 feet, and in depth from 5 to 18 inches at the head end and from to 18 inches at the tail end. The bottom usually slopes from the head end, which is closed, to the tail end, which is open, the angle of slope varying between 0° and 10°.
Sometimes this slope is downward... towards the tail end and sometimes the inclina- tion is upwards in the same direction, the latter being the more desirable because it allows larger charges to be worked and prevents the loss of certain small sizes of rich ore which would be carried ofif in the case of a downward slope. Water is supplied at the head end in liberal quantity often by means of a feed box 184 TEXT BOOK OF ORE DRESSING. § 247 running across the end, with a slit clear across it, furnished with a water pipe regulated by a cock.
What to read after A Textbook of Ore Dressing?
You can find similar books in the "Read Also" column, or choose other free books by Robert H Robert Hallowell Richards to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
§ 246. The Trough Washer, or "trunking table" as it is sometimes called, in its simplest form, is a wooden trough which may or may not be lined with iron or steel plate. In length it varies from 4 to 12 feet, in width from 1.5 to 5 feet, and in depth from 5 to 18 inches at the head end and from to 18 inches at the tail end. The bottom usually slopes from the head end, which is closed, to the tail end, which is open, the angle of slope varying between 0° and 10°.
Sometimes this slope is downward... towards the tail end and sometimes the inclina- tion is upwards in the same direction, the latter being the more desirable because it allows larger charges to be worked and prevents the loss of certain small sizes of rich ore which would be carried ofif in the case of a downward slope. Water is supplied at the head end in liberal quantity often by means of a feed box 184 TEXT BOOK OF ORE DRESSING. § 247 running across the end, with a slit clear across it, furnished with a water pipe regulated by a cock.
What to read after A Textbook of Ore Dressing?
You can find similar books in the "Read Also" column, or choose other free books by Robert H Robert Hallowell Richards to read onlineMoreLess
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