1929-10-15 — Page 11

TUESDAY, OCTOBER 15, 1929.

BOOK BINDING.

Some of your most cherished pos- session are Books....... the hand of time has left its mark upon them and now their bindings are the worse for wear

....... Do not hesitate- send them to us where they will be rebound and made like new.

We can supply any binding from fancy mottled papers to full leather, at a reasonable price.

THE NEWSPAPER ENTERPRISE LIMITED,

· China Mail Offices. 3a Wyndham St.

URGENTLY REQUIRED

OLD BLANKETS

THE HONG KONG BENEVOLENT

SOCIETY

(Established 1889)

will be very glad to receive them at the City Hall,

Every MONDAY and THURSDAY at 10.30 a.m.

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 harbor, plow, and althe,)

33. 34

לון

137

uo

12 3

14 15 b

B

9 10

12

113

£4

IS

19

2.1 30422

24

25

26 27

28

29

30

35

39

41

42.

45

46

47

18

Ę 49

50

5L

52

53

59

4-54 155

60

15b

57

58

161

53

9.65

bb

HORIZONTAL

1-Kind of boat

4-Remains

-Open aprod" 13-Bcuttle

14-Abashed

| HORIZONTAL (Cont)

50-Units

62-Dlt

64-Allow 150-Postpone 59-Todious 10-Pools

62-Couch

15-Head

16-Bitter harb

63-Cereal grain

18-Of "excellent quality 64-Retracta

10-Ago

20-Maidane

22-Anger

23-1s carried

24-Piece of news

28-At that time 29-Leather belt

20-Benches

33-Batm

36-Aver *38-Afternoon maxi

39-Buge 40-Card game -

41-Chant

45-Pitehor

45-Pertaining to

Switzerland

47-Persian Yatrian

49-Proposition

68-6tcop, s TAX (68-English college

67-Touchy 68-Exfatod

VERTICAL 1-Rough coat, as of

hair

2-Stompok pain

8-8mell

4-Serpent

-A amali person

(alang) -Part of the hoad

7-Ants

E-Perosive

10-Perusa 11-Mekas lighter

112-Natural gifts

VERTICAL (Cont.) 17-Choles part of

.Bogisty 19-Liquid measure

(pl.) 21-Exerting 23-Encouraged 25-Seriaus 27-Banighted propte 28-Dead language

29-Quarrois

31-Purveyo

32-Large bird

34-Indite

35-Marry

37-Fish #gg*

{42-Due

144-Ascenda

45-Comfort 47-Powerful

48-Ermine

61-Allude 52-Bitter fruit, [63-Proposition

BD-Periods of time 67-Golf warning 59-Assess

180-Fondie

81-Pig-pon

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

YESTERDAY'S SOLUTION

DORA RDS RHODGS OL RODE ERN ORRIS]

ATONE DELOS NOSE

SEER

PERTE UE BA

ERN

UNCLAIMED TELEGRAMS.

THE EASTERN EXTENSION AUSTRALASIA" & CHINA ; TELEGRAPH CO., LTD.:

THE CHINA MAIL,

RADIO TOPICS

|SLOW-MOTION DIALS striking a hard or sloppy patch. I

A PRACTICAL ARTICLE FOR THE CONSTRUCTOR

am saying nothing about the kind of gearing incorporated in the device, for this really does not matter pro- riding the result is a smooth action. Some manufacturers achieve satis- factory operation with carefully cut

be found.

[By G. V. Dowding] Slow-Motion dials do not direct-cog-wheels, while others employ ly affect the electrical qualities of riction drives. Even worm gears Bet; their purpose is to make it an epicyclic arrangements are to easy to get very close adjustments with variable condensers. Some variable condensers hava slow-mo- tion movements incorporated in them and others have not, but there is little practical difference between slow-motion variable and an or dinary variable that has a slow- mation dial fixed to it. Indeed, the result is almost identically the

same.

Now a reaction condenser does not want a slow-motion dial. The

set need never be operated so close to estillation that gearing is need ed to give you a minute approach,

Now you do not want the gearing to be of too high a ratio unless you have a direct drive as well as the reared drive. And, by the way, if you have a direct drive, see that this, too, is smooth and that its action has not been sacrificed in order to achieve a smooth "vernier"

drive.

Ratios of Gearing

tween 4 to 1 and 6 to 1, a direct With a gearing of anything be-

adjustment at any paint of the drive is not essential, and very close scale can very rapidly be made, Microscopte sttings are possible and there is not so much to be

with condensors with gearings of 10 gained by having slow-motion dials even on the tuning variable conden-though If you have no direct drive

to 1 and 12 to, and higher al

it takes a long while to get around the dial.

sers of some sets.

For instance, slow motion will not be needed if you merely want 5 GB. 5 XX and 2 LO on a loen) station loud-speaker outfit, but i you have a set capable of running

round the Contintal stations, then geared variables become very use- ful.

There are a large number of slow- motion dials available, although it

is to be feared that quite a few of

these are not so satisfactory as they might be. On the other hand, there are many that are excellent.

dial.

Points To Be Watched

TO-DAY'S RADIO

BROADCAST BY Z.B.W.

ON 350 METRES.

The following programme will from the be broadcast to-day Hong Kong Broadcasting Station 2.D.W. on 550 metres:—

For Use of the Radlo Dealers

5.00-7.00 p.m.-English Pro- gramate (Victor, H.M.V. Bruns- wick & Columbia Records). "Clowns in Clovor", Selection,

The New Mayfair Orchestra. "Gipsy Love" (Lehar), "Alsha-Indian Intermezzo"

(Lindsay). International Concert

. Orchestra. "My Angal",

i

"Betrayed Woman", Tonor,'

Tito Schipa, "Bridal Procession" (Grieg, Op. 10), "March of the Bojaren" (Halvorsen),

Reginald Goss-Custard "Suite of Serenades" (Herbert,

Columbia Symphony Orchestra. "The Question" (Wolstenholme), ted with a

A high ratio slow-motion dial t-The Answer", Organ Solo,

small adjustment knób is more of a nuisance than an asset, and there is a very important factor and one I want you particu- larly to take note of. best out of a geared condenser drive a finely engraved scale with a sharp indicator or "hair line" are quite

vital.

To get the

In the case of the "hair line" in- dicator, this should come closely up against the scale, as otherwise it

Paul Whiteman and His Concert Orchestra,

"Twisting the Dials", Comedians,

The Happiness Boys.

THE

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KAIPING COAL

HOME.

FACTURY

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FOR ALL PURPOSES.

POWER

HOUSE,

TUGS &

LOCOS

The Merchant of Venice" (F. Ross THE KAILAN MINING ADMINISTRATION.

Organ Solo Quentin M. MacLean.

No. 1 Prelude

No. 2 Intermezzo "Portla"

No. 3 Oriental March..

There are a number of points that must be examined in a slow-motion In my opinion, the first thing is its appearance. Apart from a switch knob or two, the condensor dials are the only things that one sees on a radio receiver. It is all very well for the baseboard com- ponents to be beautifully finished and the whole "innards" of the set

One thing is certain, and that le spick and span, but it is the cabinet,

that the aperture idea is a fallure panel and condenser dials that have to appeal to the eye.

unless the figuies on the scale are And we have long since passed the day when ap- to crouch down in front of the bold and easy to see without having pearance was a secondary con- sideration.

is liable to cast a confusing shadow."Hawalian Nights-Walls" Some typea of slow-motion dials are (Roberts), provided with almost completely "Aloma" (Robert Hood Bowers), concealed scales; you note the set-

Hilo Hawaiian Orchestra. I

"Prelude in E Flat, Op. 99", "Maritanu Overture" (Wallace),

tings and make calibrations through "The Swan" (Salat-Savas), an aperture. Personally, I prefer to see the whole scale, which is in effect one's radio operations map. but this may be an old-fashioned view.

The movement of a slow-motion dial must be smooth and free from backlash. Let me explain what backlash is, as there may be some readers who, although they have probably scen the word a good many times, are not quite clear as to its meaning.

panel.

Concerning Drum Drives

One of the great advantages of the old plain dial was that almost invariably it had a scale engraved on a bevelled edge. You nearly al- ways look down at the panel of a receiver, and the bevelling brought the scale at about the right angle.

Columbia Symphony Orchestra. "Preluda in C Sharp Minor"

Organ Solo......Marcel Dopre. {Rachmaninoff),

Op. 101,

"Humoreske"

(Dvorak, No. 7), Organ Solo

G. T. Pattman.

"The Desert Song Piano Modley"

(Romberg), Pianoforte Solo,

Billy Mayerl. "The Desert Song-Vocal Gems",

Columbia Light Opera

Company.

Serenade" (Toselli), Organ Solo, "Kiss Me Again" (Herbert),

Eddle Dunstedter. "Senata in B Minor for Pianoforte"

(Chopin), Pianoforte Salo, «Tannhauser-Pilgrims' "Chorus"

Percy Grainger. (Wagner), "Trovatore-Anvil Chorus" (Verdi),

Vietor Mixed Chorus. "Swest Suzanno" (Gilbert & Lesile),

Waltz,

Waltz 7.48

I suppose drum drives could hard- Youly be placed in the category of slow- motion dials. They are a class of their own, but a few words about them are necessary, Most of the above remarks apply to these de- "Lady Divine" (Shilkret & Kountz),

Practically

every drum

.The Cavaliers. Weather drive I have examined has answer

vices.

Backlash is a mechanical defect, and these are its symptoms. Lurn the dial slowly round until a certain reading is reached, and then stop at that point. When you try to move back again to a lower. read- ing you have to rotate the adjust ment knob a tiny way before the vanes of the variable condenser are ed to all the above requirements. set in motion. In short, there is I am, of course, referring to gear- "play" between the adjustmented drum drives. They are harder knob or dial and the spindle carry to mount on a panel than ordinary ing the moving vanes. This is a slow-motion dials because they no- very serious defect in a slow-motion cessitate the cutting of a large dial, because it is essential for pre-hole. Nevertheless, they are of cine and easy manipulation that handsome appearance and are very there should be a corresponding nice to handle. Also they tend to movement of the vanes with every make the operation of sets microscopic adjustment of the con- having several tuned circuite a trolling knob or dial.

much easier hatter

Smooth Action Essential There should be a uniform resist ance in the movement. You do not want the gearing to be too loose and you do not want it to be stiff; the ideal drive provides you with a com- promise between the two and, ob- viously, there should not be a patchy motion; the control knob rotating smoothly at first and then

ENCYCLOPAEDIA

Ganging can be accomplished without the necessity of precise cir-. cult balancing. You can have two or three drum drives all in close juxtaposition so that they can be adjusted either individually or col- lectively.

This makes station searching an onsler business with sets having two or three H.F. stages.

wrote of Socialism, Roy Chapman Andrews on exploration in Mongolia

Report

p.m.-Evening

9 p.m. Evening General Pro- gramme of Chinese Music (From Studio).

11 p.m. Approx-Close Down.

and William Beebe on the Galapagos The Pet Of The Family.

Islands, while Henry Ford described the principles and methods of mans

"STANDARD" TIME.

FOURTEENTH EDITION THREE YEARS IN PREPARATION

"It has been announced that

the production, fourteenth edition of the Encyclopaedia... Britannica, the first complete revision since 1910, is ready. More than 5,500 authorities ropresenting more than fifty countries contributed to the work, which has been in preparation for three years under the direction of Mr.

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| books,

Osen, from Seattle. An article on the outlawry of war Border S, LACK, was written by Mr. Kellogg Lon Superintendent. Chaney and Otis Skinker described the art of make-up) George Pamanthaw

Hong Kong, 10th Oct., 1929,

October

18

a.m. 6.20.

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5.58

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6.20

5.57

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F.24:

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