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Showing 1 - 20 results of 33 for search '"Gold Assaying."', query time: 0.39s Refine Results
  1. 1
    Assay practice on the Witwatersrand /
    by Dillon, V. S.
    Published 1955
    Subjects: “...Gold Assaying....”
    Book
  2. 2
    Memoire dans lequel on examine quelle est la nature de l'effet que produit sur l'or fin l'acide nitreux : lorsqu'on le fait bouillir longtemps, & réduire à une petite quanitité de liqueur sur ce métal.
    Published 1780
    Subjects: “...Gold Assaying....”
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  3. 3
    Description of Oregon and California : embracing an account of the gold regions : to which is added an appendix, containing descriptions of various kinds of gold, and methods of testing its genuineness.
    Subjects: “...Gold Assaying....”
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  4. 4
    Sample size and meaningful gold analysis ... /
    Subjects: “...Gold Assaying....”
    Government Document Book
  5. 5
    Mémoire sur un moyen nouveau de faire avec exactitude, le départ d'un grand nombre d'essais d'or à différens titres : & d'appliquer dans le même temps cette opération à tous ces essais réunis dans un seul matras /
    Subjects: “...Gold Assaying France....”
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  6. 6
    L'art d'essayer l'or et l'argent : tableau comparé de la coupellation des substances métalliques, par le moyen du plomb ou du bismuth : procédés pour obtenir l'or plus pur que par la voie du départ /
    Subjects: “...Gold Assaying....”
    Microform Book
  7. 7
    Philadelphia, January 8th, 1793 : Sir, I have the honor to inclose you a report of the assays and experiments made on the gold and silver coins of France, Spain, England, and Portugal ...
    Subjects: “...Gold Assaying....”
    Evans Digital Edition
    Evans Digital Edition
    eBook
  8. 8
    L'art d'essayer l'or et l'argent : tableau comparé de la coupellation des substances métalliques, par le moyen du plomb ou du bismuth : procédés pour obtenir l'or plus pur que par la voie du départ /
    Subjects: “...Gold Assaying....”
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  9. 9
    The description and use of a new-invented portable instrument, for detecting frauds in base and counterfeit gold, by shewing the true weight of every piece of gold coin now current, with the quantity of gold and alloy in each, and also of adulteration, if any, it also proves the real value of rings, and other small toys made of gold. These instruments are made and sold, wholesale and retail, by John Warner, of campden.
    Subjects: “...Gold Assaying Early works to 1800....”
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  10. 10
    Tablas para la reducción del oro y la plata : y para calcular la cantidad de oro que contiene una pieza de plata de ley, asi como el valor del oro á 135 pesos 6 reales el marco (con cerca de 18000 cálculos) /
    by Notley, Samuel
    Published 1828
    Subjects: “...Gold Assaying Mexico....”
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  11. 11
    Copious and correct tables for ascertaining the increase or decrease of gold and silver in bars : according to the Assay Master's report.
    Published 1819
    Subjects: “...Gold Assaying Tables....”
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  12. 12
    The gentleman's and trader's guide : containing, the description and use of a new-invented instrument, for preventing frauds by counterfeit gold, improved ... /
    Subjects: “...Gold Assaying....”
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  13. 13
    The gentleman's and trader's guide : containing, the description and use of a new-invented instrument, for preventing frauds by counterfeit gold ... /
    Subjects: “...Gold Assaying....”
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  14. 14
    Arrest du Conseil d'Estat du roy, portant reglement pour le commerce des matieres d'or & d'argent : du 20 avril 1726.
    Published 1726
    Subjects: “...Gold Assaying....”
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  15. 15
    Gold in igneous, sedimentary, and metamorphic rocks /
    by Jones, Robert Sprague, 1913-
    Published 1969
    Subjects: “...Gold Assaying....”
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    Government Document eBook
  16. 16
    The gentleman and traders guide : containing a description and use of the newest invented instrument, ever made publick, for preventing frauds by counterfeit gold ... the instrument is neatly made in brass, and very easily portable for the pocket.
    Subjects: “...Gold Assaying Instruments....”
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  17. 17
    A discovery of subterranean treasure : containing useful explorations, concerning all manner of mines and minerals, from the gold to the coal; with plain directions and rules for the finding of them in all kingdoms and countries. : In which the art of melting, refining, and assaying of them is plainly declared ... : Whereunto is added a real experiment whereby every ignorant man may presently try whether any piece of gold that shall come to his hands be true or counterfeit ... : Also a perfect way to try what colour any berry, leaf, flower, stalk, root, fruit, seed, bark, or wood will give: with a perfect way to make colours that they shall not stain nor fade like ordinary colours. : Very necessary for every one to know, whether he be a traveller by land or by sea, in what country, dominion, or plantation soever he shall either sojourn or inhabit. /
    Subjects: “...Gold Assaying....”
    Evans Digital Edition
    eBook
  18. 18
    A discovery of subterranean treasure : viz. all manner of mines & minerals, from the gold to the coal, with plain directions and rules for finding them in all kingdoms and countries. : Also the art of melting, refining and assaying them made plain and easy ... : To which is added a real experiment, to try whether a piece of gold be true or counterfeit ... : Also a sure way to try what colour any berry, leaf, flower, stalk, root, fruit, seed, bark or wood will give: together with directions for making colours that shall not stain nor fade. : Very necessary for everyone to know, whether he be a traveller by land or sea, or in what country, dominion, or plantation soever he may inhabit. /
    Subjects: “...Gold Assaying....”
    Evans Digital Edition
    eBook
  19. 19
    A discovery of subterranean treasure : viz. all manner of mines & minerals, from the gold to the coal, with plain directions and rules for finding them in all kingdoms and countries. : Also the art of melting, refining and assaying them made plain and easy ... : To which is added a real experiment, to try whether a piece of gold be true or counterfeit ... : Also a sure way to try what colour any berry, leaf, flower, stalk, root, fruit, seed, bark or wood will give: together with directions for making colours that shall not stain nor fade. : Very necessary for everyone to know, whether he be a traveller by land or sea, or in what country, dominion, or plantation soever he may inhabit. /
    Subjects: “...Gold Assaying....”
    Evans Digital Edition
    Book Chapter
  20. 20
    Arrêt du Conseil d'Etat du roi, et lettres patentes sur icelui, qui commettent le Sieur Darcet, de l'Académie des sciences, pour exercer conjointement avec le Sieur Tillet, inspecteur général des essais & affinages, & en son absence, les fonctions qui lui ont ét attribuées par l'arrêt du 2 août 1764 : & ordonne qu'en cas de décès du Sieur Tillet, le Sieur Darcet lui succédera dans l'exercice de ces mêmes fonctions : du 21 mai 1785.
    Published 1785
    Subjects: “...Gold Assaying France History....”
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