Skip to main content
Hide Articles List

11 articles on this Page

Advertising

-I Swansea Harbour Trust.

FOREIGN ARRIVALS AND MOVEMENTS…

Local Chartering.

[No title]

SCIENCE NOTES AND NEWS.

Tlu^ CAUSE OF SLEEP.

"ELECTRIC STEEL" IN GERMANY.

News
Cite
Share

"ELECTRIC STEEL" IN GERMANY. The Heroult electric process for thA produe tion of steei 11" now in practical operation at Remscheid Haston in Germany, and it is re- ported +* t the steel produced is much superior in many ways to that made by older methods. Steel of great purity and homogeneous quality is made from ordinary scrap-iren rubbish, melted, and then subjected to the action of an electric oven, in which the necessary carbon, manganese, nickel and other substances requ d to produce steel of various qualities are added to the liquid metal. The oven has a capacity of <rom one and one-half to two tons, and is heated by a current of 100 volts. The new steel is said to be stronger and resistant to wear and tear than the old-fashioned crucible steel.

MEASURING THE INFINITE

THE ORIGIN OF GUNPOWDER.

FACTS ABOUT BUILDING STONN.