Basic Introduction to Assaying by Fire: Assaying by Fire, Fluxes, Procedures
暫譯: 火法冶金基礎入門：火法冶金、熔劑、程序

Basic Introduction to Assaying by Fire gives an entry level, comprehendible, look at the fire assay history, process, and procedures. A good learning tool for the startup individual, showing practical applications and step by step instruction. to perform a basic fire assay of gold and silver.