1927-05-10 — Page 10

10

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YEE YICK SAND-LIME BRICK CO.,

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Factory: Canton. Hong Kong Office, 148, Queen's Road, West, 1st Floor. Telephone No. C.8882.

· Hong Kong's Artistic Photographers

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POOR-DINTY-IM AFRAID HE WAS WASHED OVER- BOARD WHEN THAT, WAVE...: DASHED OVER

THE DECKS},

Intl. Fratőre

THE CHINA MAIL.

RADIO TOPICS

SHORT. V. LỌNG.

ROOM FOR BOTH, WAVE-

SYSTEMS.

RUGBY NOT OBSOLESCENT."

Short Waves and Long Distances.

With the growth of commercial wireless there grew up a body of amateur experimenters who follow- ed Marconi and other practical selentirts, and strove to improve on their methods. AR commercial wireless grew more and more im- portant in world communication, There is a diaposition, in some steps had to be taken to regulate quarters, to use the outstanding the work of these amateura, and success of the new short-wave beam they were restricted to the short station, in seven 'days' direct.com-waves for their experimental work. munication with Australia, 48 T club to belabour the long-wave Rugby station, which is described as extravagant" and "obsolescent before it started working," writes the wireless correspondent of the

Observer."

The truth of the matter is that

there then being no commercial work much below 300 metres. To the astonishment of these amateurs, they discovered that the lower they went on the wavelength scale the further were the places with which they could communicate.

RELIGION & KADIO.

SIR J. REITH ON NEED FOR SERVICE.

Sir John Reith, addressing the Congress of the National Union of Students, held at Bristol, spoke of the upsetting of old standards and the consequent need of educational service. The things that ought to satisfy had failed, he said, or per- haps it was that we could not reach them. Folly was set in great. dignity. We had to find something likely to give a satisfaction that was permanent and complete in spite of confusion..

They were so remarkably success- In the search for reality, in the there is no antagonism between the ful with the very low power allowed search for truth, and in the search two systems. Each has its special to them that, within a few years. for wiodom. we were brought to purpose, and one is the complement there was, firet, fairly regular com- of the other. A powerful long- munication between amateurs in been said that there were three some thought of religion. It had wave station can broadcast news, this country and the United States pathways by which a man came to. warnings, telegrams, or any other and. later, with Australia and New matter, In all directions, so that Zealand and every part of the civil. Religion-when he was baffled prac they may be picked up by ships at fsed world. The amazing discovery tically, thrilled emotionally, or at sea or by land stations spread over the amateurs had made may be the end of his intellectual tether. very wide area. The short-wave judged from the fact that short But the man in the street did not beams station, in which the radia-wave signals on about 40 metres to-day find much to help him in tion is concentrated as are the rays

wavelength have frequently been religion. He found that there was of a

'à searchlight, can use less power,

projected over three thousand miles much to repel. humbug and incon- because of the concentration, and

to the United States with little sistency, rituals and dogmas, much because short waves, in certain cir-

more power than is needed to light that was cold and lifeless and un- cumstances, cover long distances

and practical. on ordinary flash-lamp bulb. better than long waves; and carry signals have been exchanged with on direct communication with very Australia using no more power than distant points, but with no others, is required for the lighting of an or- save only some in the direct line of dinary household electric lamp. the beam. No matter how highly The beam station is developed, the long-wave station will still have its wide uses; and no matter how the long-wave station is developed, the heam rtation is likely to continue to be the cheapest possible method of direct communication with very distant points.

Between the short radio wave and the long there is no fundamental difference; but they behave in very different ways. They both travel at the come яpeed-186,000 miles a second, the speed of light. So far us we know, the useful portion of the long wave keeps close to the earth throughout its almost instan- taneous flight. The "drag" of the earth gives it a slight forward tilt. It travels better over water than over land.

Without any reserve he maintain- cd that idealism inspired and con- ditioned by religious faith was an essential part of the make-up of Any young man who desired to be truly successful, in every sense of the word, in the world to-day.

pre-

A Cheap and Rellable Service. These amateur successes directed the attention of the cornmercial con-

Diverging for a moment, he snið cerns back to the short-waves; but, in their unfocussed form, they are that his experience in broadcasting not so useful for commercial work had at any rate satisfied him that Britain was fundamentally religious or the longer waves. because even when high power is used the varia at heart, and that if real religion, tions of the condition of the ether stripped of the attendant embar make regular communication rasements with which it was too throughout the twenty-four hours commonly associated, were an impossibility. On 40 metres, for gented to the people on those lines, instance, work with the U.S.A. and it was accepted and welcomed, and Canada is impossible during day-to-day we knew that there was no light. Communication may be car more highly or appreciated part of ried out by the use of several, al- the broadcast programmes than ternative waves, since one wave that which dealt with religion in length band will often provide that way. channel when the other is closed; but this is not convenient, and it is unlikely that the great certainty of the longer waves will be seriously The "Heavyside Layer." menaced by short waves for general The German Telefunken fin The short wave, on the other hand, tional communication to one parti-taining the

wireless communication. For direc has been successful In ob- has its earth-bound portion very cular station there is little doubt

contract for the quickly absorbed. Other portions that the short waves,

new wireless station in Bangkok. of the wave leave the earth and trated

concen- There have been three stations in a beam, should strike against that vast electrical provide

this country for a number of years, 4 cheap and T8- "sounding-board" known

as the able service, since such a service but they have not been capable of "Heavyside Layer" which is sus-is little less secret than the cable or

transmitting messages effectively pended some ninety miles above the landline, and can be operated ated to have a station for short wave, to Europe. Now it has been decid- surface of the earth. From this very small cost as compared either layer it is reflected back to the with a erble or a high-power station duplex, and high-speed working be

carth. It is possible

DB

WIRELESS TO SIAM.

TUESDAY, MAY 10, -1

DAILY CROSS-WORD PUZZLE.

1927:

(This cross-word puzzle has been made by an expert' but our readers are warned to look out for occasional phonetic spellings, such as harbor, plow, and altho,)

2

3

19 10

13

15

16

17.

118

19

20

21.

2.

125

130

26

33

38

42

મક

47

50

ST

54

60

155

HORIZONTAL 1-Short blest 6-Befuddled with

drink

0-Expense 13-An eagle's host 14-Calendar (abbr) 15-A city, Maryland,

J. 8. (abbr.) 18-Country road ~17-A pewne

19-Mexican coin 20-A groan gam 22-Crystallized carbon 24-Long braid of hair 2B-Profix. Three 27-A fox-like carnivore 29-To Inolina 32-Bediment 34-Material for vellu

·36-Discoverer of

Greenland 38-An Insect 39-Deacon (abbr) 40-Man's name 41-To change, as the

wind

43-Ago (post) · 45-A son of Adam 48-Russian monetary

unit

48-To palliato 61-A ack

►

ほら

166

'

+

153

:

SB

12

©THE INTERNATIONAL SYNDICATE,

Į HORIZONTAL (Cost) | VERTICAL (Cont.)

62-A well-known

disnike falang) 164-A famous sultan.

of Egypt 187-Mora savego 60-Interjection

(01-An evil spirit (03-A zmail mark {64–A branch ́(Latin) 165-Male child 86-To denuda 167-To alutch (68-To ona alda

59-Gearen

VERTICAL 1-Combining form.

Far 2-A-famous

Japanere soldier 3-Department; N. W.

France 4-Caske

6-Frosted, as enke 7-An animal's foot 8-$1ipped

DA tinh purplish red

color

21-A northern diving

bird

29-A constellation 26-To toll

27-To thin-out 2B-To pake with the

elbow |29–inelegant popular

language

S-A class of peopis |81-Part of the head

33-Point of compass

(abbr.)

י,

35-A constellation 37-Wrath 42-The sound of a

drum 48-Chilly |44-Pertaining to elves |45-An azure-blus minoral 47-Wicked 49-Diminutive suffix 80-Mother of Jahımeet

(Bible)

1-Nolan

84–Sargeant (abbr.)

[10-Combining form. Dll|58-A Tibetan prlest

11-To tolerate 1R-Narrated

56-A suffix of nouns 67-Loving

17-To double In narrow 68-Ons of the graine

Tolds

59-Sharp blowa 18-To. give a name to 182-Me (French)

(The solution of the above-cross-word puzzle will appear in to-morrow's issue along with a new cross-word puzzle.)

RADIO IN SOUTH AFRICA.

The African Broadcasting that which is required to radiate in all

tween Siam and Europe. Tezdera Company has been registered it is. re-reflected from earth, and reflected from the layer they do prove reliable, will

the directions. Such stations, it indeed were obtained from the leading with a capital of £50,000, and com- British, French, and German com- will begin broadcasting from yet again and again. In this way pletely solve the problem of swift panies.

The Marconi Company Johannesburg shortly. The com- enormous distances can be covered inter-Empire communication. quoted £66.153 for the Beam system pany will subsequently open with very low power, and equally

and £29.163 for a system of omni- stations at Bloemfontein, in well over land or water. Probably

directional communication. The Rhodesia, and in Portuguese East the concentration of such short

Compagnie Generale de T.S.F. | Africa. waves into a beam has little effect) on the rapid absorption of the earth-bound portion: but as the major part of the power radiated is projected in one direction the re- flected portion of the wave is much more powerful at the receiving ata- tion than it otherwise would have been. This concentration over- comes one of the chief discuities in short-wave working, the unequal- ness of the reflecting capability of the Heavyside Layer at different times of the day and during differ ent periods of the year.

WHY TORTURE THE CHILD

The physicists who experimented with etheric vibrations in the early days of their discovery used very short waves. They were radiated from abort rods, and the length of wave sent out was directly pro- portional to the length of these and yourself by forcing it to take acrials. Thus two rods cack a

castor oil or other Ul-testing laxative metre long would radiate a wave medicine? Baby's Own Tablets are the with a length of two metres, or four modern substitute for such auscous metres, depending on how they were doses. They are the very medicine the excited. Senatore Marconi, when child requires, and in such form that he came to the practical applica- to administer it is as simple as giving tion of these radiations, found that a drink of water. They are speciile for the short waves would not tra- those minor ailments of infancy and vel far, and, forced to use childhood which were formerly treated langer waves, he Invented with drastic remedies.

Baby's Own Tablets

the type of radiating rod or aerial which had one and con. nected to the earth, The earth, in fact, took the place of one of the rods as originally used by Hertz. This is the type of aerial which is accomplish all that castor oil can do familiar to all broadcast listeners where the digestive tract is deranged and is used, with variations in the the child exhausted with the struggle -more in fact, since they do not leave earth arrangements, by all the long- against taking medicine. Invaluable in wave and high power stations of relieving teething pains, though guar the world. When such an aerial is [anteed to contain no narcotics.. short it radiates almost equally enormous, assistance in the treatment well in all directions; but when it of worms. Of chemists everywhere, or Is long it has a considerable direc past free, 60 cents the vial, from Dr. tional effect, the greatest power Williams, Medicine Co., 60 Kiangso going out in line with the

Road, Shanghai. direction of the serial.

I'LL GO DOWN "AN'TELL "CABEY IN THE STOKERS'

ROOM-HELL TELL ME WHAT TO DO IN A CASE

LIKE THIS!

4

Grokk Britain Bakan'

of

wanted 213.785 gold dollars, plus To prevent piracy the Govern- 20,000 ticals, plus Customs. dutyment is .compelling wireless and landing charges, The Telefun-dealers to render monthly lists of ken firm quoted £25,000, which in- cluded everything, and they have Government will have two direc- persons buying sets. The Union

secured the contract.

SPECULATION BY WIRELESS.

París, April 7.

A foreign gang of speculators, including two Russians and two Letts have been utilising an un- licensed wireless set to transmit false, exchange quotations to Berlin, Amsterdam, and Russia. It is reported that they made a profit of several millions francs on the Latvian rouble alone.

The authorities propose to ex- pel them and the French Post Office is instituting proceedings.

DOCTOR'S WIRELESS ADVICE.

A Paris physician, Dr. Imbert, received a letter from an American patient in New York saying that he wanted to consult the doctor by telephone.

Dr. Imbert went to London and got into wireless communication with New York and had three

minutes' conversation with his patient and four minutes' with his New York medical advisera.

The cost of the seven minutes' conversation came to about £36.

The Beethoven centenary pro- gramme broadcast by the B.B.C. was played at the studio and not at the Bishopsgate Institute, E.C.

BRINGING UP FATHER.

DINTY!

tors on the board, and the pro- grammes will include vaudeville and other theatrical items.

YESTERDAY'S SOLUTION.

A

POLE

MBLEW

OVEN

IR BELE

LEID

AS

PALE

VID V

P

GIL

RJOIT

MODE

L

LOUSE

DOUBTER NYE

LEW ALLY

*THE SNTERNATIONAL BENONATSI

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