Synopsis
The history of steelmaking and the operation of the blast furnace and open hearth, from mining the ore to the finished steel; a 1946 Bureau of Mines film.
Synopsis, reviewed
Details
- Running time
- 33 minutes
The history of steelmaking and the operation of the blast furnace and open hearth, from mining the ore to the finished steel; a 1946 Bureau of Mines film.
Synopsis, reviewed