The Electrowinning of Copper from Roasted Sulphides

A hydrometallurgical process for the recovery of copper from flotation concentrates has long been con­sidered an attractive possibility. The object of such a method is to produce electrolytic copper without resorting to expensive matte smelting and converting.

The Amplifier - v. 2, no. 9

In this issue...Volunteer Fire Departments, Butte, Montana, Coffee Shop, Glee Club, M Club, Pioneer's Club, Columbia Gardens, Gamer's, Dick Siguaw

The Amplifier - v. 2, no. 8(a)

In this issue...Poison Pen letter, Mr. Cliff Laity, school carnival, Butte Mineral and Gem Club, Central Typing Office, Butte, Montana, coffee shop, Petroleum Building

The Amplifier - v. 4, no. 1

In this issue...coffee shops, intramural sports, International club, Copper Guards, Nobel Prize, Egypt, Mineral Club, Anderson-Carlisle, Petroleum Department

The Amplifier - v. 5, no. 1

In this issue...Glee Club, Naranche Stadium, Circle K club, Coffee Shop, Fulbright Scholarship, U.S. Civil Service, Phil Judd, Frank H. Kelly, Butte High School

The Technocrat - v. 35, no. 3

In this issue...Winter Break, Mining City Taxi, Pat Hansen, Oredigger football, volleyball, Petroleum Engineering, coffee, Professor Bryce Hill, surveillance

The Amplifier - v. 6, no. 8

In this issue...Miners hockey, SUB, M Club, Scandia Hall, Canyon Ferry Lake, Georgetown Lake, Orediggers, coffee shop, Metal's Bank, U.S. Mint, Mine Rescue and First Aid

The Amplifier - v. 6, no. 10

In this issue...Anderson-Carlisle Society, E Days, Rock Hounds, Hebgen Lake, Dr. Sidney R. Groff, Circle K Club, Harlan Higinbotham, coffee shop, Henry Jacobs, Smorgasbord