assayer การใช้

• Assayers test ore samples to determine how much gold they contain.
• Few of the gems make it into the assayers'offices.
• A sample sent away to the assayer in Cloncurry confirmed their value.
• Within five years new brokers, assayers and refiners opened.
• "the applicability of WP : HISTRS " Assayer, what applicability?
• In 1879 he began in business as an assayer and mining expert.
• Lovely gave it to Chief Assayer Ric Orbeta for analysis.
• In San Francisco, Haraszthy became friendly with a group of Hungarian assayer.
• The bar was handmade in 1857 by California assayers Don Kellogg and August Humbert.
• The bar was handmade in 1857 by California assayers John Kellogg and Augustus Humbert.
• The jury is composed of at least six assayers from the Company of Goldsmiths.
• The real life Bob Smart had been the government assayer at Whitehorse since 1903.
• The Government Assayer appointed was Mr Cosmo Murray.
• The Board licenses assayers who analyze ore to determine the quality of the gold present.
• For months, the company refused to identify the independent assayer providing those test results.
• For months, the company declined to identify the independent assayer providing those test results.
• Blacklisted and unable to find employment as a miner, he worked as an assayer.
• Gunnison isn't a licensed assayer, according to the Arizona Board of Technical Regulation.
• William Ainsworth opened the Denver Instrument Company in 1895 to make analytical balances for gold assayers.
• It was named in honor of a metallurgical assayer, Remy-Fran鏾is L'Hullier.