(1899). 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 Oscar M. Lieber.
Citação norma ChicagoThe 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 Oscar M. Lieber. 1899.
Citação norma MLAThe 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 Oscar M. Lieber. 1899.