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 ...

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)

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)

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

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)

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)

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

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 /
Published: (1731)

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
Published: (1770)

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

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

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

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
Published: (1766)

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)

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
Published: (1773)

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)

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
Published: (1766)

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

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)

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

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

Relative value of gold and silver coins of the United States.
Published: (1821)

[Concurrent resolution that there is no authority of law to buy gold coin in preference to silver coin.].
Published: (1895)

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

[Gold and silver coinage of France, 1795-1874.].
Published: (1896)

Tests for gold and silver in shales from western Kansas /
by: Lindgren, Waldemar, 1860-1939
Published: (1902)

Gold and silver coins [to accompany bills H. R. Nos. 255, 312, 313].
Published: (1834)

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

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)

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

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

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

Free coinage of gold and silver.
Published: (1892)