1930-04-29 — Page 11

TUESDAY, APRIL 29, 1930.

KALPING COAL

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THE CHINA' MAIL.

RADIO TOPICS

RADIO

TO-DAY'S PROGRAMME

The following programme will be broadenst to-day from the Hong Kong Broadcasting Station Z-D.W. on 365

metres:--

6-7 pm-European Programme of Columbia Records by courtesy of Anderson Music Co.

The Thistle" (Myddleton, arr.

Winterbottom),

Regimental Band of H.M. Grenadier Guards. "Sannysille Up" (Theme Song),

(de Sylva, Brown & Henderson), "In an Old World Garden"

Johnstone, and (Pepper).Layton

American Dueltists with Piano,

"Narcissus" (Nevin, arr. Pattman), "Melody in F (Rubinstein,

arr-Tattman),"

Organ Sale by Pattman (Compton Organ), "Chauve Souris-Gypsy Song"

Tel. Kowloon 869.

(Russian Song), "Chauve Souris Berceuse"

(Russian Song),

Job

PRINTING

Our business is to create beauti-

ful printing. Typography, choice of stock. every element that makes for more attractive book- lets, folders, etc. is produced here with the care that spells success. Exact estimates of cost are offered on each job, regard- less of size.

THE NEWSPAPER ENTERPRISE LIMITED

CHINA MAIL OFFICE 3A, Wyndham Street. Hong Kong.

Telephone

Central 22.

DAILY CROSS-WORD PUZZLE.

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

4

12.

13 4

5. 16 17

8

10.

01

15

21

25

13

14.

20

ZD

29 30 31

135

16

HO

t

46

48

49

· 19-To striks lightly

13–Shocki

14

| “TELEVISION' TALKIE.

|

First Broadcast of Sight and Sound.

DAMPING.

Helpful Information for Amateurs.

From the twin London trans- Practically every amateur kriows mitters of the B.B.C. on March that the electrostatic capacity-be- 81 was broadcast the world's first | tween the electrodes of a valve 'television talkie sound and puts & practical limit to the de- sight together,

free of amplification which can Spectators in a studio in Henį be obtained with the valve; this don not only saw the faces of ja because the capacity not only speakers and singers in a room in | between the electrodes, but in the Long-acre; they heard their conductors passing through the voices also, perfectly synchronis-valve holder, and in the wiring. ed with the movement of their tends to bring about oscillation in lips. .

the citcult when the amplification For Bome months televisjon is increased beyond t certain broadcasts have been conducted point. The result is that the am by. Baird International Television | plification must of necessity be Ltd., through the B.B.C, transmit- | kept below the degree at which ters, but this was the first at oselilation is set up, and this which sound was added to..sight. | sometimes means that only a com- Both were separately picked up at paratively small degree"" of 'am-i the studio in Long-acre, translat- |plification can be used.

ed Into electrical impulses. These capacity effects have, to carried by telephone line to some extent, been."overcome by

Park, and Brookman's

"there special" design in valves, particu-

Í broadcast, the sound from the larly in regard to the design of London Regional transmitter and the electrodes themselves and the the vision from

the National} placing of the electrodes in rela-

| transmitter. The sound was pick-tion to one another and by im- Mmes, Birse & Ershova.ed up by an ordinary wireless set provements in valve holders and "Fluttering Birda" (J. Gennia), with loud speaker, and the vision ao on. "Idylle Bretonne" (J. Genoln),

by a "televisor," where it appear- ed as a moving picture on a small glass screen.

Sir Dan

conducting

the Bourne Municipal

Orchestra.

Jungle Druma-Patrol" (Albert W. Ketelbey),

"By the Blue Hawailan Waters-Tona

Picture" (Albert W. Ketelbey),

Band of H.M.

Ret Guards,

"Old Fal" (Roy "Will the Angels Play their Harps

for Me?" (Hirsch & Wilhite),

The Maestros (Vocal Quintette) with Piano and Harp Obligato." "Kiss" (Johann Strauss-Op. 400), "Wine, Women and Song""

(Johana Strauss-Op. 330),

Johann Strauss & Symphony.

Orchestra,

The Merry Brothers"

(Jean Gennin), "Echoes of the Valley".

(Jean Gennin),

Sir Dan Godfrey conducting the Bournemouth Municipal Orchestra.

7-7.30 p.m.-Cantonese Lesson by Rev. H. R. Wells.

7.30-8'

p.m.-Recorded

gramme continued:- "Priere et Berceuse"

(Alex. Guilmant-Op. 27), "Tannhauser-Pilgrim's Chorus"

(Wagner)

Pro

Liberal Jewish, Synagogue Organ played by G. T. Pattman. "Two Black Crows" (Mack),,

Naran and Mack, Comedy Sketch. "Faust-Soldiers' Chora

(Gounod), "Faust-La Kermesse" (Gounod),.

Chorus and Orchestra of the Theatre National de L'Opera, Paris.

"I May Be Wrong"

(Ruskin & Sullivan).

"The World's Greatest Sweetheart is

You" (Razaf & Denniker),

Layton and Johnstone, American Duettiste

with Plano.

8 p.m.-Chinese Programme re- layed from Ko Shing Theatre until end of Play.

9 p.m.-Weather Report.

RADIO TO HIDE SUICIDE.

The suicide of a company direc- tor who switched on his wireless loud-speaker to drown the report of the gun with which he shot himself was revealed at an in quest at Wimbledon, S.W.

A verdict of Suicide while of Unsound Mind was returned on Robert Edmund Campbell, aged 59, of Park-side, Wimbledon, Com-

mon.

Another way of attacking this problem is to introduce damping into the grid clrcult by means of a resistance which may be con- nected either in series or in parallel with it. This, however, although it enables the use of a much greater degree of amplifica- tion with the valve, so lowers the efficiency of the circuit that the result is often worse than before, that is, from the point of view of overall eficiency.

First, an announcer's voice was heard, and then the head and shoulders of Mr. Sidney A. Moseley appeared on the screen.

"This inaugurates an epoch in television transmission," he de- clared, and went on to outline the proceedings. He was followed by Sir Ambrose Fleming, the inven- tor of the thermionic valve, which made wireless in the home pos- The signal strength with the sible. After a short speech. Sir damping resistance is often less gave place to Lord than it would be without the re- Ambrose Ampthill, chairman of Baird In-sistance, and with the valve work- ternational Television Ltd. Asing near to the oscillation point. Lord Ampthill spoke his glasses When working on a single wave- reflected a mirror which was sus-length It is easy enough to adjust

so that Bended in front of each speaker the damping

the high-

gramme.

to indicate "position" for the tele-requency resistance of the grid] vision apparatus. Miss Annie circuit is kép at about its ori- Croft, Mias Gracie Fields, and ginal value. But as it is general- Miss Lulu Stanley sung, and Dir. ly necessary to operate on differ- R. C. Sherriff, author of "Jour-ent wave-lengths, and inasmuch as ney's End," concluded the pro- the reaction effect which must be considered varies with the wave- Although not

perfect, the length, it will be seen, that the images were remarkably clear. method is not a convenient one. They had a flicker and jerkiness more so since the characteristice similar to the early cinema-of the valve and the, circuit, the tograph, and black lines con-filament voltage, etc., are them- tinually chopped up the picture, selves liable to vary from time to but in spite of these drawbacks time. The interaction between the expressions of the speakers plate and grid may be overcome and the accompanying movements by the method, which has been of head and hands could be clear- largely used, of neutralising or ly followed.

balancing out the feed-back effects by means of a special sub sidiary or auxiliary circuit.

FIRST TEST CALL.

Wireless Telephone

to Brazil.

Charging the Condensers. When connecting the high- tension battery you will often notice an appreciable spark as you complete the circuit, that is, The first telephone conversa- when the wander plug touches one tion between England and Brazil of the sockets in the battery. At -nearly 6,000 miles away-took first anyone not accustomed to place on March 31, after Senhor wireless apparatus might get the Olavo E. de Souza Aranha, a impression that there was a seri- Brazilian financier visiting Lon-ous leakage Romewhere and that dọn, had lifted the telephone re- a large current (represented, In ceiver in hifs sitting-room at the fact, by the appearance of the Savoy Hotel, London, and heard spark) would be flowing. steadily |"Rio de Janeiro wants you,”

from the high-tension battery.

He greeted a friend who wish-Such a current would naturally ed to discuss some urgent busi-run down the battery in the course

| nes9. Senhor Aranha said he of a few hours.

could hear perfectly, and there As a matter of fact, there le were no interruptions.

no need for alarm, as this spark The official Anglo-Brazilian is due to the charging of the con- As you telephone service will open only densers in the circuit.

A servant said that Mr. Camp-In some weeks, and that on March know, there may be several micro- 81 was in the nature of a fest farads of total capacity included call. It reached the hotel from in the circuit, and 35 this la Paris, travelling by land line charged up in a very short tinie through France and Spain, and by when, the high-tension is connect- wireless across the Atlantic to ed, it means that a large current South America via Cape Verde-flows. The current represented distance of more than 7,000 by the spark is, in fact, fairly miles. Lane Puth

bell put on the wireless at 5.80 p.m. and when she went to call him for dinner he was dead in his bedroom with a sporting gun by-his-side. The wireless, she sald, had been put on louder than usual and she did not hear any report.

HORIZONTAL 1-Sagment

B-Chief of the gade

HORIZONTAL (Cont)] VERTICAL (Cont.)

39-Part of face.

40-Deacon (abbr.) 14-A short galter worn' [41-The malicious burn over the shoe

-ing ofla structure || 18-Bind -

||48-Opan (post)

44-Venture

(Norse Myth) -8-Ocean! 20-A small mass of

At butter 20 11-Part of a ship 12-Grósk.gad of love: 16-Consumed Boden| 49-Mistake. ---17-To acquire know!

*adga je

40-A fruit j

48-Endlosure

(50-High fat tableland:

61-Capital of Italy

-21-Troubles velES ROL VERTICAL

-23-Mineral:apring-ed

2:24-A chapter or seei

Best, tion of the Koran

18-Comas forth into

20-Metrie land meas-

22-Rialization 21–Tha chief of evil.

26-Fish eggs). 27-Deepbluck 29-Amplifies enduty 20"A bevarado Man S-TrueGARDENER E31-To peruse

(26-Allud@kokupSSA-Woods on pig, 33-Indigent

27-Feminina nime--| B-Musical form of -

29 #4-Espècility:(abbr) 28-A little notąpilda plodramako predki| 35–Tall grass items 25-To-analyze a worri 6-To fill in with 1975: 57-Place of combat 20, according to rules @nesdle and thirend · 28«Bot For PESOS sender grimmáronding 7-A Japanese station.. 41-Greek god of war

|| 10-A river in Lörraine | 45-M

tion of the above cross-word;

Senator James H. Cor Senate Committee

Preddent of the Fost dpring

cente

2-Polianous anako

the

strong, but as it flows for a very ahort time the total amount drawn from the high-tension battery fa amall. You will almost invarl- ably notice this spark when the set has been out of action some time, as naturally the charge on the condensers leaks' away.

At the same time, you should always be on the lookout for se tual leaks in the circuit, and if you have any reason to auspect that the spark obtained is unduly large, or if it continues after the condensers are charged, the mat- ter needs investigation.

MURDER BY WIRELESS.

Prague, April 11. Murder by wireless was the fiendish plan devised by a DORS

- Riding to Warnsdorf, he clim

ed on to the roof of the house of lis brother-in-law, against whom he had a grudge, fixed a wire to the wireless antennae and-flung the other end over a high-over- head cable

The intended victim: clamped the headphones over his cars but the wire fused and the man was; unhurt.

The short circuit, howEVET, planged" the neighbourhood☺ in darkness,

was arrestad

THE

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