Papurau Newydd Cymru

Chwiliwch 15 miliwn o erthyglau papurau newydd Cymru

Cuddio Rhestr Erthyglau

12 erthygl ar y dudalen hon

List of Vessels Sailed FROM…

South Dock

Prince of Wales Dock.

The earotise.s er Zna-iL,,4.

A Wonderful Colt

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ICIENCE NOTES AND NEWla

Newyddion
Dyfynnu
Rhannu

Entered towards continued. ICIENCE NOTES AND NEWla NEW ELECTRIC FURNACE. in order to determine the points of fusioB all anfraotory substances, W C. Heraeus has can- tttttcted at Hanau a new electric furnace, till aasential part of which, says an American pap^t •aoeists of a tube of iridium 20 millimeters taenl and 40 millinieters in diameter and in wfekA temperatures between 1,500deg. and 2,000dec« Centigrade may be maintained for any desired length of time. To attain a temperature 0 i,000deg. it is i»ecessary to send through the tufei an electric current of 1,200 amperes at 9 vdto At a certain temperature the substance iTdat examination oegins to soften, and at a temperap two 6deg. to 15 deg. higher, depending upon tbl awbue of the substance, complete fusion owbMI

CAUSE OF SLEEP.

"ELECTRIC STEEL" IN GERMANY.

MEASURING THE INFINITE

THE ORIGIN OF GUNPOWDER.

FACTS ABOUT BUILDIWG BTONK.