1927-12-03 — Page 6

CHRISTMAS GIFTS

A Beautiful Array of Exquisite Gifts!

Just Unpacked.

Hand-Bags, All Sorts of Fancy Goods.

New Hats for Christmas.

ELITE STYLES

ONECIAL JICOTCH WHISA!

A. P. C. BUILDING

GOOD WHISKY MELLOWED. BY AGE "DON"!

A DON whisky and soda will give you that pick me up" effect, so necessary in this climate. Its purity and uniform excellence is due to years of ageing.

DON is back again for the first time since the war. Refresh your memory with u DON ON and soda to-day!

DON

JONALD BROS.

KIRKCALOT

At your Club or Store.

N. S. Moses & Co., td.

Agents.

"

FOR SANITARY, FITTINGS AND BUILDERS' MATERIALS Inspect our Stocka.

Estimates Free for Sanitary Engineering, and Building Materials

GAY KEE

69, Des Voeux Road, Contral,

Tal. Q. 5503.

CHINESE SILVERWARE

FOR XMAS GIFTS.

There is no Gift more appreciable than silver- "ware, especially if they are of pure silver made with exquisite Chinese craft. We have them in a great variety.

#

For Dining Table: Tea Sets, Vases, Forks and, Kuives, Blackwood Trays, Napkin Rings, Biscuit Baskets, Cocktail Sets.

For Ladies: Purses, Powder Boxes, Scent Bottles,

foilet ets.

For Smokers: Cigar Boxes, Cigarette Cases," Matchstands, Ash Trays.'

For Babies Fushes and Spooüs, Milk Cups, Rattles.

For General: Inkstands, Pens and Pencils, Photo Frames, Curios.

Inspection Invited. No Obligation.

Sincere's

HongKong Emporium

THE HONGKONG TELEGRAPH,

HOW SCIENCE KILLS SHAMS

FALSE TEETH AND PASTE DIAMONDS.

ULTRA-VIOLET TESTS.

SATURDAY, DECEMBER 3, 1927.

OUR DAILY TALK ON HEALTH.

HOW SPORTS AFFECT THE WELL-BEING.

ROWING IS MOST STRENUOUS.

The were

At the end of the Great War An investigator named Herxhei- Professor R. W. Wood, that gen-mor found that the hearts of track fus among American physicists, those of normal persons, depending. athletes exceeded to some extent came to a meeting of the London upon the event trained for. Physical Society and revealed the hearts of marathon runners methods of invisible" signalling larger than those of long distance used by his countrymen in fighting runners, the latter greater than the enemy. He showed a tele- and the smallest those of sprinters. those of middle distance runners scope in which

a aix-volt lamp Jumping and weight throwing did was hidden. The telescope was not place so much demand upon the closed by means of a piece of body that changes of the heart oc- special glass which allowed only curred. Only the runners ware con- the ultra-violet rays to pass, and track athletics:

cerned in the Investigations of was focussed on a distant point where the beam projected by it was received in a similar telescope provided with a fidorescent screen, Morse signals could thus be sent over a distance of six miles, quite unknown to the enemy, since the signals were only revealed by the flashes on the fluorescent screen itself.

The phenomena of fluorescence were discovered as long ago as 1833 by Sir David Brewster, who found that when quinine is dissolved in sulphuric acid the solution ex- hibits a beautiful blue colour under the influence of the rays which lie beyond the viclet end of the spectrum

pa

Drs. Felix Deutsch and Emil Kauf examined 301 track athletes. of whom 19 wore champions. In general, the hearts of track athletes were not enlarged over the normal so much is those of the swimmers, although definite enlargements did occur. Of all of the track athletes examined, 8.8 per cent. had consi- derable enlargements, although the amount of enlargement was not so great as that of the swimmers. Long and short distance runners were compared, and these Investi- gators were not able to find such a definitely increased greater risk of the marathon runners as compared with the runner of short distances as Herxhelmer found.

Only a few women track athletes were studied, since women have, only recently begun to participate in this form hearts of the women were much less of activity. The frequently enlarged than were those of the men. This is explained by the fact that women track athletes do not train seriously or to any where nearly the same extent as do men, or as do women swimmers.

In the matter of sensitiveness the human car and the eye are in strange contrast. While the ear van hear all sounds capable of penetrating the atmosphere from the twenty-foot sound-wave of the deepest pedal note to the shrill half-inch wave of the bat's ery, the longest light-wave perceived hy the eye is barely twice as Competitive rowing is one of long as the shortest. The secret the most severe of sports and few lies no doubt in the long evolu- trainers will undertake to accept tionary process by which the eye men for training until they have: has accommodated itself to the first been carefully examined by rays of sunlight, which have a physicians as to the slate of their: maximum energy in the yellowish hearts. The German investigators green portion of the spectrum, a examined 150 caramen whose ave- region which exactly coincides | rage age was 23.9 years. The with the maximum sensitiveness | longer the mag had been oarsman, of the human eye. From this cir- the greater in general was the cumstance we may conclude that enlargement of the heart. On the the planets revolving round other other hand, there was not a gen- stare may harbour living beings eral increase in enlargement, since with eyes sensitive to the infra- great deviations were found in red or ultra-violet rays, accord-individual cages. ing to the lower or higher tem perature of their central orb.

in-

A scheme is being promoted by Extending Range of Vision. Count Klebelsberg, Minister of Education in Czecho-Slovakia for The exploration of the hidden the founding of a new order for regions of the spectrum has been distinguished scientists, authors a fascinating pursuit, not un- and artists. The order will be attended by risks. We have open only to persons of inter- gradually traversed the ultra- national renown and will consist violal right down to the most of not more than twelve members penetrating X-rays, which have a time, the first three electing a wave-length five hundred times the President and succteding mem shorter than light. We all know bers. The emblem of the order. the fate that has overtaken many will be a gold chain, to be worn brave pioneers of this explora- with black gala costume and a black tion, but we can be sure, that no gown. The order will also daniker will deter scientific in- clude a secondary group of forty vestigators from searching the members, whose emblem will be a Unknown.

gold-wreathéd .war. decoration modelled after those which were The ultra-violet of the mercury presented at the time of the free- are produces a kind of snow-dom war in '48. blindness, which, however, soon wears off. But it has an extra- ordinarily diversified effect on different substances. In uranium glass it produces a rich apple- green fluorescence: a tallow candle glows bright blue and the human body appears'a faint pur- nle. The teeth fluoresce brilliant- ly, but in order to do so they must he live. Fulse teeth remain unilluminated. The late Sir Wil- liam Crookes once startled f brilliant assembly at the Royal Society by offering to test dia monds then and there by means of ultra-violet rays, relying upon the fact that none but a real diamond shows the characteristic phosphorescence. Even butter and margarine can be distinguish- ed by their different appearance in ultra-violet light.

The deciphering of the original writing of a palimpsest by photo- graphy was a mach admired feat of the early 'eightles. This was, however, done by simply exclud- ing all but the violet rays from the negative. The great flood of ultra-violet light yielded by the Cooper-Hewitt mercury are has vastly extended this field of ex- ploration, and the exhibition given by Dr. Herman Goodman at a New York electrical exhibition show- ed, some novel applications of the principle, though I cannot take the alleged testing of bootleg whisky seriously.

There is no doubt that every advance into the invisible regions of the spectrum will yield fresh revelations. Already Pickering has discovered signs of a fugitive vegetation on the moon, and Hale has found the extraordinary man- itle of calcium clouillets which covers the sun. Mr. Baird reveals somewhat unkindly, perhaps how people appear when under | infra-red illumination. The in- vention of a "machine with ́ ́a' moral sense" is chimera, but: the best way of stamping out shams is to make their detection easy and inevitable.

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What Alm is➡Dulls teeth, invites gum disorders

Dental science now traces scores of tooth and gum troubles to a germ-laden film that forms on teeth.

Run your tongue across your teeth and you will feel it slippery viscous coating. That film absorbs discolorations from food, smoking, etc. And that is why your teeth look "off color," dingy and unattrac tive.

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