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Swansea Harbour Trust.

FOREIGN ARRIVALS A 0 MOVEMENTS…

-------Local Chartering.

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torn

I JERRY'S VOTERS HAD OBSTACLES.

Pit

Micros Photography and Armour…

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Micros Photography and Armour Plate. The application of micro-photography to metalSc tltd its revelations of the changes of metallio Structure produced by various methods of work* tag* have resulted in very striking improvements and discoveries in hardening steel. One of th, most remarkable is the Holder-Frith process-ix which the alteration in the texture of the metal is ftoduced by rearranging its molecular structure. Heat and electricity are uti};sed as exciting agent* On the crystals of whict the metal is composed, and are employed while the metal is surrounded bj mercury in a bermeti.ally-seated vessel. No great alteration in the metai is perceptible to the unaided Oye; but when examined under the microscope it *»• Been that the crystalline etructure is very muck ooore regular and uniform than before. This meant greater toughness, greater elasticity; the metal, a# e Horoloyical Journal points out, will withstand Crtiater, more sudden* and more continucKSb strain* throughout Its mass.

Diamonds and X-RRYA-

The Mystery of the Echo