BIBLIOGRAPHY
gettens, r. j. "Lapis Lazuli and Ultramarine in Ancient Times," Alumni
(Revue du Cercle des Alumni des Fondations Scientifiques a Bruxelles),
XIX (1950), 342-57. gowland, w. "Arts of Working Metals in Japan," Journal of the Institute
of Metals, IV (1910), 4-41. ---------. "Silver in Roman and Earlier Times," Archaeologia, LXIX (1917-
1918), 121-60.
hammer, j. "Der Feingehalt der griechischen und romischen Miinzen," Zeitschrift fiir Numismatic, XXVI (1908), 1-144.
laurie, a. p., mc lintock, w. f. p., and miles, f. d. "Egyptian Blue," Proceedings of the Royal Society of London, LXXXIX A (1914), 418-29.
leaf, w. "The Commerce of Sinope," Journal of Hellenic Studies, XXXVI (1916), 1-15.
maryon, h. "Soldering and Welding in the Bronze and Early Iron Ages," Technical Studies in the Field of the Fine Arts, V (1936), 75-108.
ridgeway, w. "How Far Could the Greeks Determine the Fineness of Gold and Silver Coins?" Numismatic Chronicle, Ser. 3, XV (1895), 104-109.
Roberts, w. c. "Alloys Used for Coinage," Journal of the Society of Arts, XXXII (1884), 881-91.
schmeiszer, c. "Bodenschatze und Bergbau Kleinasiens," Zeitschrift fiir pra\tische Geologie, XIV (1906), 186-96.
Thomson, g. "Bad Bronze," Classical Review, LVIII (1944), 35-37.
watson, w. "Some Observations Relating to the Lyncurium of the Ancients," Philosophical Transactions of the Royal Society of London,
LI (i759), 394-98· Wilson, j. n. "Milowite—An Unusual Form of Silica," Chemical Trade Journal, XCVII (1935), 28; Sands, Clays, and Minerals, II, No. 3 (1935), 127-30.
