This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ...and this must, in every instance, be carefully studied when contemplating mill erection. The questions above considered have a very important bearing upon the problem of how best to plan the development and equipment, that the ultimate profit which the mine is expected to yield may be soonest realized, ...
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ...and this must, in every instance, be carefully studied when contemplating mill erection. The questions above considered have a very important bearing upon the problem of how best to plan the development and equipment, that the ultimate profit which the mine is expected to yield may be soonest realized, consistentlj' with a fair redemption of the capital outlay on plant. In considering this question, let us assume that we are dealing with a deep-level mine in the Central Witwatersrand which has an area sufficient to produce payable milling ore for 200 stamps for 20 years. Let it be assumed that the vertical shafts are sunk, and development of the mine proper is about to begin, and the value of the ore, as figured from the results of the producing mines in the immediate vicinity, has been arrived at. The first question that arises is, How soon may milling commence? This would firstly be dependent upon the conditions which were disclosed at the points where the reef was struck--that is, as to whether or not the country had been subjected to faulting; and secondly, as to whether the ore grade indicated a confirmation of the estimates which were fixed, based upon the results obtained from the neighbouring mines. If all the evidence pointed to the existence of normal conditions, then milling plant would be immediately ordered, and at 12 months from the date of order, given favourable conditions--all plans in readiness and materials awaiting shipment--it would be possible to start milling with 100 stamps, which would be gradually increased to 200 stamps as the development progressed. Let it be assumed that at the time the 200 stamp8 begin running the mine has a life of 20 years, and let the profit, on a treatment of 28,000 tons per month, be...
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Add this copy of The Deep Level Mines of the Rand and Their Future to cart. $62.00, new condition, Sold by Leather Book Shop rated 3.0 out of 5 stars, ships from Delhi, DELHI, INDIA, published 2015 by Facsimile Publisher.
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New in New jacket. {Size: 14.60 x 22.86 cms} Presenting an Exquisite Leather-Bound Edition, expertly crafted by the prestigious organization “Rare Biblio” with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine lends an artistic flair. This masterpiece has been meticulously reprinted in 2015, utilizing the invaluable guidance of the original edition published many years ago in 1902. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: -English, Pages: -200. If it is a multi-volume set, then it is only a single volume. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request.
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