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Swansea Harbour Trust.

s A - mOMeiVIENTS Of L.OCAL…

Local Chartering. I

[No title]

Tint WOMBN or INDIA.

SunntsTiTioNs AKOUT BABIBS.

Phosphorescent; bacteria.

Micro-Photography and Armour…

Diamonds and X-Ray*.

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Diamonds and X-Ray*. A diamond when exposed to the violet rays ot light becomes fluorescent, the most brilliant diamonds giving out a clear blue fluorescence sai less brilliant ones becoming violet. A yellow diamond submitted by Sir William Crookes to these lays gave out a red light, and rather to the diitnay Df its owners subsequently turned a dingy brows When exposed to daylight. The brownishnea proved, fortunately, only a temporary effect. Thess experiments have suggested to Mr. Fuchs, o< Chicago, the treatment of diamonds with X-rays, and he says that he is able to bleach brownish and yellow diamonds by such means. This does not 8baust his claims regarding the possibilities of the If-ra-y4 By directing them through various metalf and chemicals before they penetrate the diamo; he believes that colour can be permanently Imparted to the stone and that it will be possible to reproduce thus the famous blue of the Hope diamond or the brown of a well-known diamond in the British regalia. In view of the other experi. ments which have been mentioned, the JllvstraUi trience JVews i* extremely doubtful, however, el the permanency of Mr, Fuchs's methods

The Mystery of the Echo