A Collection of Scarce and Valuable Treatises Upon Metals, Mines and Minerals PDF Download
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Author: Alvaro Alonso Barba
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 320
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Author: Alvaro Alonso Barba
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 320
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 215
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Author: Alvaro Alonso Barba
Publisher: Theclassics.Us
ISBN: 9781230416571
Category :
Languages : en
Pages : 62
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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. 1740 edition. Excerpt: ... call by the Name of Devil's Dirt; then there is no Way but to let all cool; and then to dig it out, and with more Lead to melt it again in a Pot, and then to let it cool, and then to break the Pot, and to beat off the Cinder with an Hammer, till you come to the malleable Metal, and you may be assured that no Royal Metal will stay in the Cinder, but sink down into the Lead, through an Attractive Virtue betwixt them. chap. lxvii. Wherein is /hewed the Operations of Silver. as for the melting thereof, when it is found in the Mine of Lead, theOperation is taught in the Chapter of Lead; but if it be found by itself, or mix'd with Gold without Lead, as many times it cometh to pass, then it is to be beaten to Powder, and mix'd with Sandiver, and Saltpetre, without any Filings of Iron, and Ib melted down like the Lead Oar; only the Fire must be somewhat stronger. Then it is to be melted with four times as much Lead, whereof you know the Goodness; and so to be refined, as before- is declared. Hot But whereas sometimes this Oar is so strongly mixed with Sparre, and stony Substances, that it cannot be separated therefrom, by any common Manner of Work used by the Refiners, then this Course is to be taken with it: First, beat it into small Powder, then wash away with Water the greatest part of the Terrestreity and Filth; then dry the Powder, and use it in this Manner. First, melt four Ounces of Lead, and when it is melted, put it to four Ounces of Quicksilver, made hot in another Melting pot; but let the Lead be almost cold before you put it to the Quicksilver;, but yet it must be done whilst the Lead is liquid. This done, cast it into an Iron Morter, set it warm before upon Embers, and it will be like Pap; then presently with a Pestel, labour...
Author: Gabriel Plattes
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 170
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Author: Thomas Green
Publisher: Palala Press
ISBN: 9781358834578
Category :
Languages : en
Pages :
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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Alvaro Alonso Barba
Publisher:
ISBN:
Category : Lead mines and mining
Languages : en
Pages : 281
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Author: Alvaro Alonso Barba
Publisher:
ISBN: 9780461170719
Category : History
Languages : en
Pages : 326
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This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!
Author:
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Category :
Languages : en
Pages :
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Author: Alvaro Alonso Barba
Publisher:
ISBN:
Category :
Languages : en
Pages : 279
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Book Description
Author: Alvaro Alonso Barba
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 319
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