Aaron Snowden Piggot

The Chemistry And Metallurgy Of Copper, Including A Description Of The Principal Copper Mines Of The United States And Other Countries, The Art Of Mining And Preparing Ores For Market, And The Various Processes Of Copper Smelting, Etc

The Chemistry And Metallurgy Of Copper, Including A Description Of The Principal Copper Mines Of The United States And Other Countries, The Art Of ... The Various Processes Of Copper Smelting, Etc