1929-03-09 — Page 12

12

SINCERE'S

SALE

NOW

IN PROGRESS

DON'T WAIT UNTIL YOU HAVE MISSED

THE BEST SALE

IN

TOWN

G. FALCONER & CO., (HONG KONG) LTD. WATCHMAKERS & JEWELLERS

DIAMOND MERCHANTS.

Union Building (Opposite G.P.0.)

Agents for:-ADMIRALTY CHARTS, ROSS'S BINOCULARS and TELESCOPES, KELVIN'S NAUTICAL INSTRUMENTS, ENGLISH SILVERWARE, direct from Manufacturers. High Class English Jewellery.

Drink more good milk

COLD IN TROPICS

THE CHINA MAHLA

(Continued from Page B.)....... abounded. Insects. reptiles and animals were known to be more deadly to man in the tropics than were those in temperate zones. Tho natives had less need to work; so they were more selfish, savage and cruel. The climate made man less energetic in the tropics than In colder regions.. He did not im- prove. Yet nature was more pro- digal.

and Where vegetable animal life of every sort grew and multiplied rapidly, man laboured lesa.

*

remember that in the early days Experiments have shown that of electric light in London, only the human machine works at its forty years ago, the cost per candle best, is most efficient when the power hour Was ever so much temperature of the air is 70 deg. greater than it is to-day, we may F at least be hopeful that the cost of manufactured weather will be greatly reduced in the not too dis- If the cost worked tant future.

out at say $700 B year, many people would be willing to pay that sum for such a boon. It will certainly come in time.

and the humidity is forty. With humidity at forty ench cubic foot af air contains 8.2. grains of mojsture.

Hong Kong Summer Unfortunately in Hong Kong during the summer the air is usually at a temperature of about 86 deg. F. and each cuble foot of air may contain as much as 12% grains of molature in suspension, (humidity 100).

There will be people in Hong Kong who will look back upon this generation with the same feelings

Now the only way that we can of pity that we have for these plancers of the forties who had no change that atmosphere into the When the first steamship thrash- electric light, ateamships, cables, ideal atmosphere of 70 deg. F. and ed the waters near the equator the wireless, motorcars, telephones, humidity forty, la, by pumping out dawn of a new era commenced. tap-water, machine-made ice, mo- a considerable amount of heat from To-day the tropical swamps are tion pictures and daily news-each cubic foot of air. Most of drained and cultivated. Tropical papers.

the work done, would be expanded jungles are replaced by plantations

Those people of the future willin pumping out heat from the that about nine for rubber, tea, coffee and tobacco. experience, as we do, the incon-water vapour, so The dweller in the tropics can ventence of the enervating climate grains of water per cubic foot of manufacture a climate in his house in the summer, but only when they air would condense into water. that those who live in more tem- are out of deors. They will work Water will not flow uphill. It falls He is as in offices that will be aritficially from hill-top to mill-pond, from perate zones may envy. longer isolated and uncultured, regulated at exactly the desirable mill-pond to the sea, and, if there for the iterature, and the news of temperature and humidity. Many were a passage from the sea to the world is daily at his disposal. of them will dwell in houses that the centre of the earth, it would Yet the native of temperate zones will have just the manufactured flow thither. It is always wanting who comes to the tropics is not weather they fancy.

to get to a lower level. entirely content with hia' environ- ment. The enervating climate re-

mains, and, except in buildings where it may be replaced by manu- factured weather, it will always remain. It affects both physical

bealth and energy.

Then and Now

The Production of Cold There is only one way known to engineers, at present, of reducing the cost of manufactured weather. It is by reducing the cost of the mechanical production of cold.

In order to obtain the air that is necessary for ideal weather con- It is nearly ninety years ago ditions we must by mechanical that the rat effort to make the methods control four factors. We barren island, known as Hongmust regulate

(1) Humidity, (2) Kong, into a trading centre was Temperature, (3) Movement, or air made. The problems associated circulation, (4) Purity. Of these with the task of making it more factors by far the most important, healthy, prosperous, and therefore from the point of view of personal more pleasant, were and "are pro- comfort and human efficiency in blems of applled science.

Hong Kong, is humidity,

It is proposed to consider ene of them this evening, viz., the ar- tificial production of cold.

We can, of course, purchase machine-made ice. That is an ad- vantage that dates back only about fifty years.

So with heat. If the air la at. temperature below that of the body, heat flows from our bodies Into the air and we feel cold. The colder the air the quicker is the flow of heat from our bodles and they colder we feel.

In the atmosphere temperaturaj of 120 deg. F. heat flows from the air into our bodies and we feel very uncomfortable. ·

Although the temperature of the body is about 98 deg. F. the body owner likes best to be in air at about 70 deg. F. humidity 40 The body produces heat, and air. at 70 deg. F. and humidity 40, carries the heat away from the body in comfort.

?

That is the factor that makes cur summer climate so trying, for

Water will not flow uphill, but the air contains a great deal of moisture in suspension. We have it can be pumped up by power. to get rid of that excessive mois. Heat will not run from a cold to ture in order to make the atmos-a warmer body, but it can be pumped from a lower at a high- er temperature; and that is how we make ice and produce cold.

It is something, butphere more pleasant. We can only no means all that satisfies the do' that by pumping heat out of scientist.

the moist air; then the vapour con-

It is possible, to-day, to produce denses Into water and no longer manufactured weather. Then why remains suspended in the air. is it not done in Hong Kong? There is a very great range of

The problem that always faces | temperature of the air

on this the practical engineer is that of planet. Our bodies are at a tem- expense. It should be possible to perature of about 98 deg. F. At manufacture, for an eight roomed cording to the air temperature and house, the weather most suited to the clothes we wear so do we feel the average. European, the weather hot and cold. best for human efficiency, at a total cost for machinery upkeep and running expenses that would be, roughly, the equivalent of a capital patlay of about 25,000. Unfortun- ately that cost is for most of us prohibitive. When, however, we

methods of obtaining cold in Hong Fift or sixty years ago the only Kong was by importing Ice from the Far North.

Where Ice House,street now. Is

there was a small inlet of the ses and ice-ships came alongside to discharge great blocks of ice inte godowns. The godowns have been but it is said that pulled down people still occasionally shiverin

Ice House-street.

In some parts, Mesopotamia for example; the shade temperature reaches 120 deg. F.; while in other inhabited places it is fifty degrees and more below zero. There is also a great range in the humid- fn the Colony, ity of the air.

Nowadays we do not import. ice in Hong Kong: we manufacture It

(Continued on, Page 14.)

SATURDAY, MARCH 9, 1929.

HARMSTON'S CIRCUS

and

ROYAL MENAGERIE

GRAND CHANGE PROGRAMME

MONDAY, 11th March, at Mongkok, Kowloon

TO-DAY

4.15 P.M.

9.15 P.M.

Matinees: Sundays, Wednesdays, & Saturdays at 4.15 p.m.

Children Half Price to Matinees Only.

"

All New Acts.

All New Items.

Not a Dull Moment.

One Swing from start to finish.

Watch where the crowds go and follow. Buses and Taxis pass the Circus ground.

Booking at Moutrie's.

COUGH LINCTUS

a sure cure for your bad cough

COD LIVER OIL.

Cod Liver Oli and Malt Extract.

Queen's

Dispensary

Pharmaceutical Chemists

22, Des Voeux Road Central:

BEAR BRAND MILK

A natural cow's milk, pare and exceedingly"rich offering a food value that has no equal. · Drink it every day and let the family drink it.

Sole Agents for Hong Kong and South China A. B. MOULDER & CO., LTD.

"Chiria Building,

Hong Kong.

JAPANESE HIGH-GRADE

PORCELAIN STORE"-

SATSUMA WARE, KUTANI WARE,

MINO WARE, ETC.

L

**MIYAJIMA"

27. QUEEN'S ROAD, CENTRAL Ground Flost, Hong Kong Hotel Building,

HONG KONG BENEVOLENT SOCIETY

(Established 1887)

Pleased cut thU DUE

To Mrs. Shellhea

Hon. Treasurer HKB.S.

Hong Kong University,

Madam, ammavi

Kindly enroll me, is a Member

of the

$12.00 Annual Sabicription.

Have your Frigidaire Now

2.

Benefit by its economy as you pay

T'S so easy to have Frigidaire. A visit to our showroom, a selection of model, a small down payment and at once and forever after you'll be independent of ice supply. All your foods will be better kept. You will have plenty of ice cubes for table use. You'll

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Come in and see Frigidaire, Ger prices, terms, estimates on operatTM ing cost. Prove to yourself that Frigidare is not only a marvelous. convenience, but a real econom Call or phone for ad

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A WEEK'S PAPERS IN ONE.

OVERLAND

CHENA

MAIL

PICTURES of all local events

are shown in the OVERLAND CHINA MAIL.

CHINA NEWS, LOCAL NEWS

and all the NEWS.

The Weekly paper that saves you the trouble of writing Home.

Informative throughout, this week's "Overland China Mail" the weekly edition of the "China Mail" and the only illustrated news budget in the Colony-contains an abundance of reading matter which will be welcome in other parts of the world....

い

There is the death of Hong Kong's bachelor taipan, Mr. H. P. White; the conclusion of the annual racing carnival, several

more annual reviews of business in the Colony, and an important pronouncement by H.E. the Governor at King's College

Much of importance has occurred in China, with events, ranging from the North to Central China and down to the South How developments may affect trade in Hong Kong in particular and other trade generally is summed up.

Be sure to get your copy of the "Overland in time for sendag awayta fr

If you are going on leave, do not forget to place an order for the "Overland" to be sent to any actress for any period you?désirers

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