00977cam a22002651i 4500 gs 05000058 DLC 20260227111300.0 790209s1905 dcu f001 0 eng gs 05000058 (OCoLC)4636332 DLC ICharE DLC premarc QE75 .B9 no. 253 Hillebrand, W. F. (William Francis), 1853-1925 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 W. F. Hillebrand. Washington, Govt. Print. Off., 1905. 31, iii p. : 24 cm. Subject series: E, Chemistry and physics, 44. Includes index. Gold Assaying. Tellurides. Allen, E. T. (Eugene Thomas), 1864-1964, joint author. U.S. Geological Survey bulletin ; no. 253. 24141 24141