Directors of Photography:
Library and Archives Canada: 16mm.
"Title card reads: 'The use of the electric furnace to take metal from its ore is an important development. The following scenes show how this new process has been tried out in an experimental furnace at the Bureau of Mines, Ottawa, Canada.' The Bureau was located at 552 Booth Street. The film follows the step-by-step process as the ore moves through the various purification stages. Extensive shots of the machinery involved."