1928-07-17 — Page 10

10

A Large

Selection

of

Newest.

Neckwear

Also

Neckwear

and

Handkerchief

Sets.

YEE

SANG

FAT

CO.

Please cut this out

HONG KONG BENEVOLENT SOCIETY. New Members Wanted (Subscription $12.00 Annually)

To the Hon. Treasurer:--

MRS. MCELDERRY,

160, Peak,

Please enroll me as a Member of the above Society.

Subscription will be sent on application.

Name

Address

Hong Kong's Artistic Photographers PHOTO TAKEN DAY AND NIGHT.

THE

YING MING STUDIO

No. 50-52, Queen's Road Central.

DEVELOPING, PRINTING AND ENLARGING.. (Official Photographers of the "China Mail.")

BUSINESS DIRECTORY.

Bookbinders.

THE "CHINA MAIL," Book-

binders.

No. Ba, Wyndham Street.

Dentist.

HARRY FONG, Dentist,

Hair Dressers &

Booksellers.

LEE YEE,

Ladies' and Gentlemen's

Hair Dressers

1st floor, No. 74, Queen's Road Central Tel. Central No. 1255. Hair

Electrical Supplies.

THE GLOBE FOOK CHEONG ELECTRICAL SUPPLY CO., LTD.

72, Queen's Road, Central. Tel. C. 3270.

Engineers &

Shipbuilders.

W. S. BAILEY & CO., LTD., `

Engineers and Shipbuilders,

Kowloon Bay. New Work & Repairs.

Call Flag "L" Sole Agents for Kelvin Motors.

THE CHINA MAIL,

RADIO

RADIO NOTES.

· MOVING' COIL LOUD SPEAKERS.

THE RICE-KELLOG ON TEST,

A

Some time ago I described an American loud-speaker of the move ing coll type, and pointed out that there were no complete British in struments available.

TOPICS

WIDOW."

A baffle board, which may take SEPARATION FOR "WIRELESS the form of a cabinet, ahould be: used with a loud-speaker unit of this type in order to give good reproduction, of bass notes.

We pay for progress; náither is any rose without its thorn,

The board Itself should, of One of the grounds on which a courae, be do constructed that it woman based her application to the does not colour the reproduction in Tottenham magistrate for a separa- any way. The tone is likely to betion was that her husband persist- affected if the baffle is made of ently annoyed her, by tinkering thin wood. Thick wood or ply with, his wireless set at night. wood must be used, and the whole The Tottenham magistrate grant- assembly be solidly mounted toed the application. avoid distortion and noise.

Wireless has wrecked a home.

I mounted the unit which I was

Sets of parts have, of course,

It was a harmless pleasure that been marketed for amateurs for testing in a cabinet, and connect this man. took in his tinkering, many months, but only those aced it through a rectifier to the al-after all. He did so adore the customed to careful assembly work ternating current maine in order bright bits, the knoba that twist- are successful in building a loud- to energise the field magnet,

ed, the screws that tightened. speaker that works properly.

My first test was made with an But his wife was jealous of the Many descriptions, too, have ordinary three-valve receiver com-wireless set--he did not realise been published, but the music lov-prising a detecter and two low fre- that, jer requiring a first-class loud-quency amplifiers. The last valve

It is possible also that his wife speaker for his receiver has had was of the power type, and was wanted to hear a little of the broad- an extremely limited choice. Ap supplied from a 120-volt high-ton-cast programme. parently the patent position is full alon battery. To my surprise, the She may have admired the rich, of dimculties. The British Thom-volume was ample for a small refined tones of the young man who son-Houston Company, who have room, and the quality of the re-reads the news bulletins. for a long while marked the Rice-production was excellent. There The husband, however, did not Kellog loud-speaker equipment, seemed to be faithful reproduction put listening-in in the same class which comprises a moving coil re- of the treble as well as the bass as tinkering (and who shall say he producer and an amplifier with a notes.

is wrong?) device to enable the working cur- By comparison with other Arst- rent to be taken from the house-class makes of loud-speaker the a wife over it, and, especially, some hold supply of electricity, have at results were vastly superior in one who will be at hand periodical- last decided to lesue the reproduc- every way. Other moving coilly to praise the results of his tin- er only at a price which must be loud-speaker that have been test- kerings. considered reasonable,

That is the eruellest blow. ed have been superior to ordinary The reproducer comprises an cone type instruments, but the new electro-magnet, a transformer, and loud-speaker makes one realise how the cone with its coil, assembled the broadcast really is. and housed in a frame designed for APPROACH TO PERFECTION. easy mounting in a cabinet or to

Having tried it connected to a a baffle board. One of these was good, though ordinary, three valve Savoy Hill, bringing the number of recently sent me for test. My ex-set, I joined it to a carefully-made studios now in use up to nine. amination showed that it was receiver having a power amplifier, The new studio has been built on soundly constructed and identical supplied with current from a high the site of a Turkish bath which with the units included in the most tension battery eliminator. The was a popular resort in pre-war expenstye equipment issued by the last two company.

The tragedy is that he has lost

NEW BBC. STUDIO.

The B.B.C. has completed the latest addition to the studios at

valves of this receiver days. It has proved to be best were connected in parallel and sup-suited for Instrumental broadcasts NEAT AND EFFECTIVE. plied with high tension current at up to an octet. It will not The particular model sent me re- 400 volts. The grid bias was over therefore, be used for speech and even announcements introducing quires a field current of approxim- 100 volta, ately one-tenth of an ampere sti

This receiver is of the type that programme items will be made 100 volts; the current consumption one would normally use with the from the observation chamber out- is therefore less than that of an beat loud-speaker produced, and is, side the studio. ordinary electric lamp.

of course, capable of giving much

FOR LIGHTHOUSES,

A second model is also issued, more volume than one normally re- |but this has a field winding so pro-quires. But its large factor of portioned that it may be supplied safety is a necessity when the best

In view of the deplorable condi- from a 6-volt accumulator. It takes possible reproduction is desired. tion of the light at the Tubbataha a current of about 1 ampere. The I have used this instrument and Reef lighthouse as found by Gov. cone itself is of specially prepared the loud-speaker for several weeks, ernor-General Stimson, and in order paper, having a maximum diameter and when listening to certain that immediate repairs may be of about six Inches. Attached to transmissions, have wondered whe-made on lighthouses scattered all the small end of the cone is the ther it will be possible to get any-over the Islands, Fidel, A. Beyes, coil. This has a relatively small thing that.more nearly approaches director of the bureau of commerce number of turnu, as it is design-perfection.

and industry, is studying, the ad- ed to be coupled to the last valve of a receiver through a transforms er of the stepdown type,

ter.

A centering device is used, and

The establishment of wireless

藏

TUESDAY, JULY 17, 1928.

DAILY CROSS-WORD PUZZLE.

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

13

16

LON

H [12.

120

22

255

24

えら

26 127

130

131

52

34

· 35

136

37

138

39

43

03

મધ

45

46

£7

148 149 150

151

52.

153

54

156

57

58

160

163

62%

65

©THE INTERNATIONAL SENDICATE.

HORIZONTAL,(Cont.)

62-Whirlpooti

50-A stap

67-Young deer

13-A place for baking 159-Inactive

HORIZONTAL

Naked -Boast

D-Bundia

14-Destroy

1-Enough (poet.)

18-Calamitous

16-Close

17-Unwrap

19-Mistakes

21-Noso

23-E!=0

25-Period of time 26-8hapers 30-Greek latter 34-Sine

35- lame

37-Nod 38-Tatter

29-Up and about

40-Poiluted

41-Choose

43-Parts

46-Pole

47-Biblical character

48-Ocean iner

50-Otherwis

51-NorwegiaA-NZMO

162-Bench

63-Timid animat 64-Man's name $5-Brown

VERTICAL Part ct body. 2-Aavert 3-Hindmost 4-Joina B-European city 6-Hurry

7-Abets

S-Fabled being

*-Din

to-Dya plant

11-Learning

12-Pitcher

20-A color

VERTICAL (Cont).

22-God of love

24-State

26-Simple

27-Verbal

28-Egg an

20-Grin

31-Black

SZ-A disasse

| 33–Shoemakera tool

(pl)

| 30-Appearance

39-Particlo

40-One versed in

feudal taw

42-Opening af volcano 44-Insano 46-Put off

48-Malt

49-Story

60-trish Gaelic

51-Underdona

13-Conception

54-Dash

55-Puts |55-Acoumplish

SUGGESTIONS FOR SOLVING CROSS-WORD PUZZLES

Start out by filling in the words of which you feel reasonably sure These will give you a clue to other words crossing them, and they in turn 10 still others. A letter belongs in each white space, words starting at the Filibered squarea disis running either horizontally or vertically or both.

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

HOW BRITISH FILMS ARE MADE.

The European Film Exchange,

who are the distributors in this

The film gives a

YESTERDAY'S SOLUTION.

TIR

OR EMONTS

V SEV AAGUS SEW SNVO NYES CAROL

D. THUG VEE AUTO BASED ROAMS 50N X DRUSES L CU

CORONAT

SUTURE JCHOI

SORER THONG REUENSERS

{992 BETENTIONAL TRADUNT O

film

All material broadcast is not visibility of installing radio appara- perfect, neither is the receiver or tus in some lighthouses. the loud-speaker, but it is more

Long before the case of the Tub-territory of British International nearly perfect than anything Ibataha lighthouse came up, Direc-Films Ltd., have received a very is for the purpose of preventing have heard before, and only those tor Reyes contemplated installing instructive one-reel film showing the coil rubbing on the poles of accustomed to listening critically radio apparatus on lighthouses how the British International Films This are made in the studios, at Elstree, located in isolated places. the electro-magnet. It is particu- would detect any defects, larly neat, and effective, and The ordinary lover of good music idea, according to him, Is deemed Hertfordshire. operates satisfactorily, even when would be well satisfied, and the proper in view of the lack of gov- very good idea of the immense the volume control connected to usual listener would think he had ernment coastguards to make re- amount of work and organisation required in the production of even the amplifier is turned full. on, so perfection. Only those who have gular inspections. causing the sounds to be much used a properly made moving 'coil

Director Reyes pointed out that a small picture. The huge genera- greater than could be listened to reproducing equipment know its the case of the Tubbstaha light de- tions in the power station attach- with comfort.

superiority over other present day monstrates clearly the urgent needed to the studio give current for Ferhaps Mies Pickford has not To produce a satisfactory moving types of loud-speaker.-W. James of radio apparatus in lighthouses. the high-powered lamps required. noticed that the type of man with the au- The Tubbataha lighthouse, accord-In the work-shops, where all the whom "every woman in coll loud-speaker is no easy mat in "Morning Post."

ing to him, is 90 miles away from "sets" are made, most up-to-date dience falls in love" is also the The fundamental principles are understood, but many peculiar

the nearest inhabited place; it is im- labour saving machinery is used type of man whom every man in effects occur in practice. It is not WIRELESS BEACONS FOR SHIPS possible to know immediately whe- for joinery, etc., and the store con- the audience generally yearns to

taining the "properties" has every-kick. ther the light is working or out. hard to find the correct winding]

No doubt there are for the electro-magnet, but it la

Special efforts will be exerted by thing from a stage-coach to a pin-heroines to whom "every man in

cushion. difficult to determine the most suit-beacons at different points on the director to include in the gen-

Several famous produc- the audience" would cheerfully shown taking shots for consign the most loathsome, of able size for the cone itself and every coast to give bearings to oral appropriation for the bureauers are the moving coff, It is necessary ships within a radius of more than next year enough money with which well-known pictures, and Mfan lounge lizards, but, since the to employ a cone that is not too fifty miles has been shown to be to install radio apparatus in some Betty Balfour appears in the studio heroine in this case is to be none. heavy, but yet it must be stiff, and practicable, following experimente the shortage of government funds,

lighthouses. Although he realises for a ficeting instant. not change with atmospheric con- recently conducted in the Channel ditions. If the cone is too large by the Department of Scientific and Director Reyes said that money

A DIFFICULT PROPOSITION. must be set aside for the radio ap- or too small the reproduction will Industrial Research. not be as good ́as when a cone of The results of these experiments paratus if the lighthouse service is

The heroes of Hollywood have to be improved. the correct size is used, and this have been published by the Sta-

abolished a good many conventions can only be determined as the re-tionery Office under the title “An

According to plans, radio appara- of time and space but it may be sult of the most careful and labori-Investigation of a Rotating Radio us will be installed in lighthouses permitted even to the modern: ous experiments,

Beacon (28. 3d. net).

This world to think that Miss Mary A wireless beacon, of the rotated in Cabra Island, Tabbataha. In her complaints of the difficulty under examination in "optics." The will mean that one will be instal Pickford may be a little impatient our large schools, and the boys were It was a red-letter day at one of

Tha coll itself in so arranged already used by the Air Ministry, Suluan, Miniguin, Manucan, and with whom she wishes to act the strictly and scientifically speaking, ing loop beacon transmitter type Tanguingui, Ape Reef, Jintotolo, of finding that "ideal stage hero" point under illustration was that, that it lies in the intense magnetic was erected at Fort Monckton, near field produced by the electro-mag- Gosport, and a series of observa-

Malapascua, CO.net, and the diaphram or cone to tions carried out with Southern

part of the "grown-up lover for we see not objects, but their images It was estimated at the bureau of the next few years. Miss Pickford depicted on the retina. The doctor which it is attached is moved as Railway steamships and H.M.S., P5,000 will be needed for each not know what they want; per-

approximately is not one of those people who do to make the matter plainer, said to the result of the interaction of this "Truant,"

and Booksellers. No. 12, D'Aguilar Street.

(opposite Queen's Theatre),

Dressing Saloon. HANSON SKEY,

Ladies' and Gentlemen's

First Class

Hair Dressers, 45, Des Voeux Rd. C., H.K.

Optician,

THE HONG KONG OPTICAL

'Phone 2232.

53, Queen's Road Central.

Printers.

"THE CHINA MAIL" General

Printers. Publishers and Bookbinders.

Ba, Wyndham Street. Tel. C. 22.

FAITHFUL REPRODUCTION.

far from inhabited places.

commerce that

other than "The World's Darling" herself it really would be high treason to hope that she will ever find a film lover "whom every man In the audience approves of as her choice."

field with the magnetle field creat With Southern Railway steam- radio apparatus of sufficient power haps she is rather one of those one boy in the class-

"Jackson, did you ever actually ed by the currents representing the ere sailing between Southampton to be able to communicate with who want the moon, for here is speech and music which flow and Havre and Southampton and

Manila, through the coll. As a result the Jersey it was found that the bear General Stimson would begin his screen hero is one with whom every It was expected that Governor- film lover (male): "The ideal

her own specification of the Ideal see your father?"

Bill promptly replied: "No, sir." or music which, according to the was somewhat superior to that ob- lighthouse upon his arrival. How love, and whom everyman in the air ja moved, and we hear speech ing given by the wireless beacon investigation of the Tubbataha woman in the audience falle in saw your own father."

"Please explain why you never

design is a mora or less faithful tained from an estimate of the

'Because," replied Bill, very copy of the original,, as passed to ship's position by dead reckoning, was received at the bureau relative heroine's choice" Only that!

ever, up to closing hours, no word audience approves of as the gravely, "ho died before I was born, the loud speaker by the receiver. "Morning Post."

to the investigation...

air."

FOR SALE.

CHANG TSO. LIN'S COMMEMORATIVE STAMPS,

Without surcharge @ $8, net With surcharge ..@ $3.50 net per complete set of 4 stamps,

GRACA & CO. Dealers in Postage Stamps, Postcards, Garden Seeds, Toys, Picture Books, etc.

P. O. Bax No. 620. HONG KONG

No. 10, WYNDHAM STREET,"

BY GOLLY HERE COMES THAT

GUY AGIN. HE SEEMS TO WALK ALL DAY- 1. SEE HIM WHERE- EVERGO-·

SAY: DO YOU. WALK JUST FOR PLEASURE”

BRINGING UP FATHER.

DO YOU THINK RAISIN' CORNS IS PLEASURE? I'M A HARD WORKING

(MAN)

WELL WHISPER: WHO ARE YOU

·WORKIN*FOR?

SAME

PEOPLE.

WIFE AN

SEVEN KIDS-