1931-10-22 — Page 2

HONG KONG DAILY PRESS, THURSDAY, OCTOBER 22, 1931.

EVERYTHING

The

RADIO

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RADIO GRAMOPHONES SPEAK FOR THEMSELVES.

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from 11.00 a.m.\

All apparatus to the value of £5 or over can be supplied on hire purchase terms.

Free service for 3 months

G.E.C. SHOWROOM Queen's Building, Chater Road, Hong Kong

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PURITY OF TONE

1932

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FEATURES

RADIO TELEPHONE: WORLD CENTRE.

BETTER "EQUIPMENT FOR.

LONDON,

It is learned that the Past Office. has in haud plans for a direct radio-telegraph sorvice from London

£775,000 FROM WIRELESS.

HOW RADIO HELPS THE NATION

The Chancellor of the Exchequer: announced in Parliament recently that, the B.B.Chid perend to forgo

BRITAIN'S RADIO EXHIBITION.

wave-lengths, and an indicator to strides have been made during the show whether the circuits are past year. Sets are much mor switched to medium or long wave-youndly construsted and designed, lengths, or for gramophone record and one feels that a sot purchased reproduction.

now will last for a fow yours, and Froved a satisfactory investment.

The Gramophone Company were unable to obtain a large enough

WIDE RANGE OF SETS AT Mains sets have illuminated dials, are fitted with safety arrangements. LOW PRICES.

which disconnect the supply when the back is removed, and work | space in Olympia to show ade without hum. Generally the quality quately thoir new range of pro is Better than formerly. More ducts, and therefore opened His volume is obtaimble, tuning is Maator's Voice Modern Home of casier, and the sets are easily Music opposite Olympia. A num-

The Radio Exhibition, which was held at Olympin last month attract

ed

groad interest

chief point noticed when com,

operated

The Exhibition proved tho im

·ber of other firms' niso took demon---- strution rooms near Olympia where

to Canada, South Africa, India, and out of the revendo derived by them the present exhibition with portance of the industry. Great sets could be tried y

eventually Japan.

When they are realised London will be the centre of a huge network of telephonic channels"

covering the whole of the globe. It is already the international switchboard between North Ameri- oa, Europe and Australia",

from wireless licences the sum of £50,000 for the period ending March next, and £150,000. during 1938

The result of this arrange ment," he said, is estimated to give the Exchequer is respect of the current funncial year 2846,100 out of a total licence revenus of

£2,230,000,"

A completely new switchboard, "£2,000,000, and in respect of the

1932-3,

£775,000 out of equipped with the latest devices Fear to deal with the still rising volume of long-distance tralie; is to be installed early next year at the

“international" exchange at 'Car- ter-lane,

Direct to Canada First,

"At the present time the British telephone subscriber, thanks to the London-Bugby organisation, eaa

REMARKABLE NEW LOUD-

SPEAKER.

THREE-MILE FLANGE.

Crowds, however huge

which

talk to 10 per cent. of all the tele-flock to Wembley on the occasion phone subscribers in the world," a of Cup Final or Aldershot for the high Post Office official told a re- Tattoo can now be entertained by porter when interviewed.

masio broadcast from a single loud- speaker.

"We are now rence to go ahead with new services which will put hiu in touch with 90.9 per cent:

Communications with Canada by radio telephony at present takes place rid New York and London, The direct service will probably be the first move in the programme of expansion.

paring.

last year's is the wide range of models at low prices I have ex- amined, writes W. James in the

Morning. Port, and tried a number HAVE YOU HEARD THESE? of new reason's sets and accessories. during the past few weeks, and the low prices are clearly the result of cheaper raw materials and better design. The results are relatively better than obtained before.

Those who listen chiefly to the local stations generally use a two or thres valve receiver. There are many examples, with and without loudspeakers. Some are arranged in the form of a radio-gramophone set, others have terminals to which an outside pick-up may be connect- ed. Many mains sets are available for both direct and alternating supplies, and there are, of course, battery-operated seta,

Hare are lists of long-wave and short-wave stations" which, should be picked up by anyone in Hong Kong.who has a mode....... rately good sot suitable for re- ceiving anoh signals. Success In picking up these stations also depends very largely upon fav ourable atmospheric conditions. Readers are invited to add to this list should they succeed - in picking up any station not in- cluded in alther of these lists,

LONG-WAVE STATIONS.

Wave length

Coll Kilo Sign cyole EZLB 1,15 E.8.M.S. 1,083

(Metres) Station 200 Manila. 277 Bhanghai 345 Tokyo 3.0.A.K. 870 253 Hiroshima J.OF.K. 358 Hong Kong Z.B.W. 846. 357.1 Bombay V.U.B

JOLK 830

261 Sapporo -560 Kaijo

370 Nagoya 370.4 Calcutta

840

JOD.K. 820 1.O.UK.. 810 V.U.C. | 800.00+

380 Kumamoto J.O.G.K,

300 Bendai

395 Dairen

400 Osaka

410 Canton.

480 Manila

SHORT-WAVE STATIONS:

STATION

CALL STON

The chief point to look for in a set intended for local station re ception is good quality of repro- A remarkable new super-power duction. Sets designed for the re- amplifier which, when connected

ception of many stations may not to. a searchlight loud speaker-the

give such good quality. It is, in largest moving coil cone-driven fact, difficult to arrange a set that speaker yet constructed-will carry will bring in many stations and speech or music by acoustic waves give good quality reception of the

67.85 Dobints (Germany)A.F.E over a distance of three miles, is local stations, because there is so 60.13. Khabarovsk (Russia) EAST. the latest acharoent of the re- much amplification available with 50 cently formed special products several valves and circuits which 43.5 The new plane represent the cul-branch of the HMV Gramophone tend to distort. mination of eight years of amazing Company if unobtrusive progress in ordinary. telephone communications, as well as in radio telephony.

In 1994 there were twenty-three eircuits of telephonic communication: between England and the Con tinent. There are now 110, to which is shortly to be added a circuit with Soviet Russia

.L

Two and Three Valve Sets.

Clear reproduction with ample volume can be obtained from a two-valve arrangement, and in many

Nauen

A.G.J

Mosco

LEN.

Rome

Perth

CA,G

$13

Bingapore

|V.B.I.A.D.

38.8 27.

Kootwijk (Holland)

Bangkok (Biam)

82.

B

Sydney

P.C.L. HSAP.J. 2.B.L.

W.2.1.A.F.

81.55 Melbourne 81.48 Schenectady

81.20 Eindhoven (Holland) P.C.J. $1.28 Sydney de Monac

(Kenya) Nairobi BydneyPLE

CYCLES

(700

JOHK (770 J.Q.A.K 700 JÓ.BK750

C.M.E. K.Z.R.M

True (Hong Koxo) OF WORKING

1,486 Mon., Wrò, & Fri., 6p.m, & 2a.

· 4,090 | 6-10 p.m.

5,291 Not regular

4,000 Tue, Thurm; Sat, ß p..

3,800 Sunday midnight.

7,142 Dally 8.30 p.m. & 13 p.m. 7,810 Not regular

7,760 Daily 11 pm

8,108 Tues. &

0,280, Not regular 1,608

Not regular

9,530 Daily 7am.

9,020 Fri. 32.m., Sat 8 am, & 10 sm,

3,500 Not regular

9,077, Midnight daily

10,620 Not regular

11,020 Midnight-3 am daily

11,761 -7.80 p.m. & 8 a.m, daily, excepty

F.C

81

28.5

7.1.0. 2.51.E.

27,8

25.69

Bandoong Chelmsford (England) 6.9.W.

K.I.X.R.

WALD

12,240 Nightly

P.CL

Yet, in spite of its power, by the mere turn of a dial its tone can be reduced, to sufficient softness for use in an ordinary sized room.

At a special exhibition of radio instances only a short wire in need. and gramoptrone equipment solely od as an aérial. Such sets are. for commercial and public utility easily tuned and are cheaply run.

Manik purposes held in London recently They satisfy many listeners who 245

need only alternative programmes. 28.35 Bobenectady

Bandoeng the possibilities of this and many Some two-valve sets will receive 18.4

Kootwijk (Holland) Bandoong Communication will then be pos-other new products were fully de two or three other stations at good 174

Bangkok Kootwijk (Holland) strength, but this, depends partly 108 sible with the whole of Europe, ox-monstrated.

Bandoong upon local conditions, and the size 10.54

Nancy (France) Pittsburg of the nerial. The selectivity, ought | 18,48 to be quite good enough to separate the local stations.

cept certain parts of the Balkans.

20

Despite the slump," the official said, "the figures for the Con- tinental services are still on the upgrade, though naturally the curve hna' flattened during the last year. Our business is to anticipate de mands, and our plans are laid five or six years ahead.

If and when the trade revival comes, wo shall be in a position to deal with the huge volume of extra traffic which will accompany it."

At its full amplification the equip- ment would have been far too vigorous to be operated in the in terior of a small hall; and there. fore, to illustrate the great power which this amplifier is capable of producing, 90 per cent. of its out put was diverted into an ordinary 100-volt Imp the light of which fluctuated with the rise and fall of the music. Even with only 10 per cent of its power the volume, when fully advanced, was deafening.

and the number of his ticket Finally an attendant tapped him on as he sat in the stalls,

Call in Theatre Stall.,

One feature of the radiotelephone:

and Continental services which has added greatly to their popularity is the personal call" organisation;" whereby the chance of failure to connect is insured-against and across the Atlantic from the man

minimised.

Every effort is made And the person required by the subscriber, We chase people all over the sometimes the official

Baid.

For instance, there was one-oo casion when we were asked by New. York to find a Mr X in London. He was not at home, hut we were given the name of hotel in Edin- burgh where he was staying

He had gone. the Enestry

THE SINCERE Co., LTD. when wo rang, but we were abla

SOLE AGENTS.

the shoulder as he and in a few minutes he was talking

ager's office."

Probably the three-valve set is the most popular, and most manu- facturers have examples: Some are in a very compact form. Moulded and wooden cabinets are used. The better-class instruments have s moving coil loudspeaker, and the quality of the reproduction is good.

Band-pass tuning is used in cer

1888

10.9.

15.5

P.L.G.

F.L.V. H.5.1. P..

P.C.K PLE

·W,8XK/

fAllowance must be made for pean countries, which is one hou

|

Saturday and Sunday

12,850 m. Wid, Fri, Sat,

16,102 Daily 6.80p.m. to

16,804 Dally 7 pm.

17,280 Daily 8 pm to midnight

17,751

Bunday 7 pin, & midnight

18,404 || Each afterricos,

(19,220 || Dally 4,80-7-plməz

19,851 Daily & m

21,54) Not regular

summer-time in most Euro ahead of true time.)

SHORT WAVE RECEPTION

Use A

tain models, giving selective tuning | |NATIONAL “SW 5” THRILL BOX|

A good three-valve receiver would serve this form of tuning and moving coil Joud-speaker, with a screen-grid stage, a detector and a pentode output, This type of set receives the most powerful of the Continental stations well, and is in many respects the bast set for normal conditions. When the electric gramophone motor is fitted and a pick-up, the best wireless programmes and good gramophone results are to be ob tained. The leas expensive nets have a cone fondspeaker and are not fitted with band-pass tuping,

and the set is not as selective as Therefore, the quality is not so good the better models

Parallel with the expansion of the ordinary long-distance telephone system, radio-telephone, centralised

A proportion of the sets resemble in London, has been advancing a rather large loudspeaker cabinet, Apart from 1 London, there are few somo having the controls at the bottom of the front, others at the important direct channels of radio-top, and a few at the sides. Com. telephony, except those to South America,

Pactness has been achieved in many ways, and generally the valves are quita accessible, Motal chassis are used almost universally and the parts riveted to them,

Super-Hots

No European can speak to North America or Australia by radio-tela- phony, except through London. There are many really selective Jung newly 9,000 radio-telephone and sensitive sets, including super

heterodyne types. Sonra O calla-were-recorded, involving 12,760

many as hino shives and are cap

#tation able of receiving practically any Usual features are single knob tuning, a scale marked in.

to get the name of the theatre paid minutes, and approximately (Continued at food of nezt column.) half of them were Continental.

ALL MAINS RECEIVER

Range 14-550 Meters

Complete

AO MODEL

DC MODEL 2--RCA 232

1-UX 280

RCA 230 RCA 23

Matched (RCA) Tubes

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Inspection and Enquiries are

Always Welcome.

THE WING ON CO. LTD

VIEL 20071:

Sole Distributors.

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