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-I Swansea Harbour Trust.

FOREIGN ARRIVALS AND MOVEMENTS…

Local Chartering.

[No title]

SCIENCE NOTES AND NEWS.

Tlu^ CAUSE OF SLEEP.

"ELECTRIC STEEL" IN GERMANY.

MEASURING THE INFINITE

THE ORIGIN OF GUNPOWDER.

FACTS ABOUT BUILDING STONN.

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FACTS ABOUT BUILDING STONN. Almost everybody knows the rule of the maaona that stone used in 'ouilding should be of placed that it will lie as it lay in its natural bed when quarried. But Mr. Francis W. Hoyt, is the Engineering Newt, says that this familial rule is not always to be depended upon, and needs in many cases to be supplemented with other precautions. There are three planes 01 fracture known to quarry men. The rift" is the direction in which the stone splits mod easily; the grain" that which is next easiesti the head" that which offers the greatest re sistance. In a paving-block the two Mdee repre- sent the rift fracture the top and bottom the grain, and the ends the head. But in a ttae natural bed is sometimes considerably fMt alined to the plane of the rift; hence the im perfection of the z.ry rulf for placing the vfcoae in buildt