The gentleman's and trader's guide : containing, the description and use of a new-invented instrument, for preventing frauds by counterfeit gold ... /

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)

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

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 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

Assay practice on the Witwatersrand /
by: Dillon, V. S.
Published: (1955)

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)

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)

An essay on weighing of gold, &c : wherein is shewn an effectual method for discovering and detecting of counterfeit pieces of money, (be they ever so artfully disguise) ... /
by: Symons, William

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

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)

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)

Elements of the art of assaying metalsetals.
by: Cramer, Johann Andreas, 1710-1777

Forbidding importation of falsely stamped articles of gold, etc.
Published: (1906)

The doctrine of gold and silver computations : in which is included, that of the par of money : the proportion in value between gold and silver, and the valuation of gold, silver, and parting assays : with useful tables and copper-plates /
by: Snelling, Thomas, 1712-1773

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)

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)

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

Tablas de las cuentas de valor liquido de la plata del diezmo : y del intrinseco y natural de la que se llama quintada y de la reduccion de sus leyes a la de 12. dineros ; segun las novissimas ordenanzas de Su Magestad y de los derechos que de la plata y oro se le pagan en estos reynos en conformidad de sus leyes reales y cedulas /
by: Fagoaga Iragorri, Francisco, 1679-1736
Published: (1773)

The doctrine of gold and silver computations : in which is included, that of the par of money : the proportion in value between gold and silver, and the valuation of gold, silver, and parting assays : with useful tables and copper-plates /
by: Snelling, Thomas, 1712-1773

A practical guide to ELISA /
by: Kemeny, D. M.
Published: (1991)

The real or intrinsic par of exchange, between London and the other cities on which negotiations in bills are usually made : calculated from the actual assays made at the mint /

Quilatador de la plata, oro, y piedras /
by: Arfe y Villafañe, Juan de, 1535-1603
Published: (1572)

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

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)

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

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

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

Assay migration studies for in vitro diagnostic devices.
Published: (2009)

California coiners and assayers : by Dan Owens ; introduction by Q. David Bowers.
by: Owens, Dan
Published: (2000)

ELISA : theory and practice /
by: Crowther, J. R.
Published: (1995)

Mémoire sur les essais des matières d'argent /
by: Tillet, Mathieu, approximately 1720-1791
Published: (1769)

To prevent counterfeiting or manufacture of dies, etc., used in counterfeiting.
Published: (1890)

Mineral resource assessment of gold and silver in the Greenville 1 x 2 quadrangle, South Carolina, Georgia, and North Carolina /
Published: (1993)

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. /
by: Plattes, Gabriel, active 1638-1640

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