Assay practice on the Witwatersrand /

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 ...

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)

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 /
by: Sage, Balthazar Georges, 1740-1824
Published: (1780)

Arrest du Conseil d'Estat du roy, portant reglement pour le commerce des matieres d'or & d'argent : du 20 avril 1726.
Published: (1726)

A familiar explanation of the art of assaying gold and silver : and its bearing upon the interests of the public demonstrated : with considerations on the importance of the Pix Jury : a review of the past and present state of the goldsmiths' trade, and a table, shewing the mixture and sterling value per ounce of every quality of gold that can be alloyed /
by: Watherston, James H. (James Henry)
Published: (1847)

Sample size and meaningful gold analysis ... /
by: Clifton, H. Edward (Hugh Edward), 1934-
Published: (1969)

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)

Notes on assaying and assay schemes /
by: Ricketts, Pierre de Peyster, -1918
Published: (1891)

The gentleman's and trader's guide : containing, the description and use of a new-invented instrument, for preventing frauds by counterfeit gold, improved ... /
by: Bradford, William, teacher of mathematicks
Published: (1753)

The gentleman's and trader's guide : containing, the description and use of a new-invented instrument, for preventing frauds by counterfeit gold ... /
by: Bradford, William, teacher of mathematicks
Published: (1754)

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)

The determination of gold in geologic materials by neutron-activation analysis using fire assay for the radiochemical separations /
by: Rowe, Jack James, 1919-, et al.
Published: (1968)

Microbiological assay : an introduction to quantitative principles and evaluation /
by: Hewitt, William, 1918-
Published: (1977)

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.
by: Bradford, William, teacher of mathematicks

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 /
by: Tillet, Mathieu, approximately 1720-1791
Published: (1781)

The assayer's guide : or, Practical directions to assayers, miners and smelters, for the test and assays, by heat and by wet processes, of the ores of all the principal metals, of gold and silver coins and alloys, and of coal, &c. /
by: Lieber, Oscar M. (Oscar Montgomery), 1830-1862
Published: (1899)

Assay development : fundamentals and practices /
by: Wu, Ge, 1962-
Published: (2010)

Sir Isaac Newton's table of the assays, weights and values, of most foreign silver, and gold coins, actually made at the mint by order of the Privy Council : with notes and explanations, shewing the methods of keeping accounts in those cities, on which negotiations in bills are usually made : and a calculation of the real or intrinsic par of exchange.
Published: (1731)

Live cell assays : from research to health and regulatory applications /
by: Furger, Christophe
Published: (2016)

A textbook of fire assaying /
by: Bugbee, Edward Everett
Published: (1940)

A textbook of fire assaying /
by: Bugbee, Edward Everett
Published: (1940)

Principles of biological assay /
by: Emmens, C. W. (Clifford Walter)
Published: (1948)

Gold in igneous, sedimentary, and metamorphic rocks /
by: Jones, Robert Sprague, 1913-
Published: (1969)

Comparison of a wet and crucible-fire methods for the assay of gold telluride ores, with notes on the errors occurring in the operations of fire assay and parting /
by: Hillebrand, W. F. (William Francis), 1853-1925, et al.
Published: (1905)

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)

Theory and application of microbiological assay /
by: Hewitt, William, 1923-
Published: (1989)

The Witwatersrand gold mines.
by: Klempner, Paul
Published: (1951)

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.
by: Warner, John, of Campden

The composition and assaying of minerals /
by: Remington, John Stewart
Published: (1952)

Microbiological assay : an introduction to quantitative principles and evaluation /
by: Hewitt, William, 1918-
Published: (1977)

Assay development : fundamentals and practices /
by: Wu, Ge, 1962-
Published: (2010)

Statistical method in biological assay /
by: Finney, D. J. (David John)
Published: (1978)

A Direct Spectrophotometric Assay for Arginase.
by: Buonanno, Andres
Published: (1978)

Algal assay procedure : bottle test.
Published: (1971)

Hormone assay.
by: Emmens, C. W. (Clifford Walter)
Published: (1950)

Microbiological assay : an introduction to quantitative principles and evaluation /
by: Hewitt, William, 1923-
Published: (1977)