1930-03-20 — Page 2

Haig

SCOTCH WHISKY

JOHN HAIG & Co.Ltd.

Owning Haig & Haig, td.) MARKINCH, SCOTLAND,

JOHN HALO &

Consumers are requested to see that every bottle of John Haig. Gold Label Whisky "at mupplied by us bears the joot label thas: "Gande Price & Co., Ltd., Bole Agents for Hong Kong"

SOLE AGENTS:

THE HONG KONG DAILY PRESS, THURSDAY, MARCH 20, 1930.

WIRELESS NOTES.

USE AND CARE OF ACCUMULATORS.

HOW TO AVOID TROUBLE.

SOME USEFUL TIPS FOR GETTING THE BEST RESULTS.

Last week the dry or primary cell was dealt with, and its limitations regarda current supply explain why it is that some source capable of giving a more substantial cur rent is necessary for valve la

ments.

Except in the ease of a set em- ploying not more than two valves of the dull-emitter type, when two very high capacity dry cells joined

GANDE, PRICE & CO., LTD in parallel may suffice for the Ela

St. George's Building, Ice House Street,..

Tel. C. 135.

HONG KONG.

TO THE N. Y, K. CONCERNING MAIDEN VOYAGES

" ~ I was interested in the date fro the Halden Traveller' who intends to be on the maiden voyages of two of your new meter- ships on a single voyage to America, cext apring, by changing ships at Honolulu,

"She says the Tatsuta Haru' #131 follo the Chichibu Maru in three weeks, yet I always supposed Pacific liners ran on a two- week schedule. Hext year are you running

to America via Honolulu only every thres WBOKS?"

Jotheys

It is true that the maiden voyages next spring are three weeks apart

but there is a regular liner in the interval

In fact we have many weekly wailings to America via Honolul next year, and never more than a formighly interval. The "Chichibu Manu"-voyage number one-will leave Yokohama, on April ic followed in one week by the "Tenyo Maru", and two weeks Lazer by the "Tareum Maru" on her maiden voyage,

Frequent sailings are possible, because those three new giant companion motarships, the "Chichibu Maru", the "TABER MATUS" and the "Aurse Maru", will be in service with the popular "Tasya Mari", "Tenyo Maru" and the Shinyo Maru"-six specialis for an exacting trade Shipt and men, exclusively Orient-California"

THANK

GOODNESS

LAM

INSURED"

This might be your house! Insure your residence against Fire

with

THE GENERAL ACCIDENT FIRE AND LIFE ASSURANCE CORP., LTD.

For information apply

J. H. BACKHOUSE, LTD.

TEL No. 1788.

1a, Onars Boa

BUY BRITISH & BE PROUD We have just napacked a Shipment of

ALUMINIUM BASE-BOARD & PANELS. Suitable for Short Wave Receivers and other sets that require Screening &

OTHER BADIO & WIRELESS PARTS :

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TEL. O. 4405.

ment supply for a month or two, the primary cell maybe considered The useless for the purpose. secondary cell—or accumulator as it is commonly called is normally used, it being capable of current of from 10 to 120 amps, dependent on the size and number of plates, at the substantial voltage of 2.9 per cell. Unlike the primary cell, it has the advantage of being capable of recharging when its initial sup ply of electricity is exhausted or discharged. It is, however, an article that can cause trouble. or exasperating failure if not properly attended to, while the damage that сад be done to carpets, etc. through leaking acid is, as many have no doubt experienced, very real.

"

Application of Knowledge. Unfortunately, in the case of the majority of people, the accumala tor has to be periodically left to the tender mercies of one who, per haps, does not give it the care we should like it to receive. I reler, of course, to the necessity of send- ing it to some outside source to be recharged. The accumulator, to give of its best, reqiures careful attention not confined to charging A knowledge of its weaknesses and requirements is necessary to its efficiency and, when such know- ledge is displayed, has been known to have effect with a charging agent!

Fanits: Their Prevention and Cure.

The most common fault is buck ling, an expansion of the plates. caused by a too rapid discharge or. more frequently, too high a charg ing rate.

WAS

In the old days of celluloid con- this defect that teiners it would cause cracked cells, with eon- sequent damage by leaking acid.

Although most makes of accumu- lator are now constructed with thick glass or ebonite containers the danger of buckling still exists, the plates being liable to bend or circuit,

another common

Sulobating, fault, is evidenced by a white "de- posit on the plates and terminals, and a drop in efficiency between charges. The causes are many and" include too strong an electrolyte or acid, discharging at too slow a rate, leaving for a long time partial- ly discharged, or charging at too low a rate. Provided the defect is not too deep-rooted a remedy, in most cases is provided by a long "and slow charge.

“PILOT" VALVES

EXPANSION OF FACTORY:

[BY COHERER."]

Disintegration of the plates-that is, some of the material of the plate becoming loosened and collecting in the form of a sediment at the bot tom of the container-is a natural process throughout the life of the cell, but may be seriously acceler- ated if the cell is subjected to bad The sediment should sever be allowed to accumulate, but should be cleaned periodically.

treatment.

What to Watch For. Observation of the following points will go a long way towards keeping an accumulator in good condition and giving service of two or three years..

The charging-rate and strength of acid vary with different makes; the

HAVE

Rome" Charging.

The Frichlecharger, a very useful unit for charging batteries at home from the mains, in a great convenience but, in their use, parti cular care should be taken to avoid over-charging-tha

When cell is fully charged 'bubbles of gas are freely liberated from both sets of plates, the acid ussumes a milky colour, a volt- meter reading across, each cell will show 2.8 volta, and the specific gravity of the acid is approximate- Jy 1.9.

A voltmeter and a hydrometer, each of little expense, for deter mining the last two points are really essential to the home charger, being, of course, also useful for indienting the extent of discharge. The hydrometer is most useful for this and, in the majority of accuma- lators, a reading of 1.18 will be obtained from a cell when semi- discharged and 1.17 when complete ly discharged.

instructions given by the makers in this respect usually, allow for a little latitude but, as far as pos- sible, they should be carried out. The cell or battery should not be discharged below 19 volta per cell. Do not allow the cell to stand for long periods unused, charging at least once a fortnight whether com pletely discharged or not. fake good with distilled water any loss of solution by evaporation. On as account should acid be added after the initial charge unless some is lost through the cell becoming up- set. The plates should always, be completely covered with electrolyte (dilute sulphuric acid). Keep the celle clean and dry, and terminals ameared with vaseline, particular THE QUERY CORNER. attention being paid to this point after charging.

YOU HEARD THESE?

Hare are lists of long-waV0 and short-wave stations which should be picked up by anyone in Hong Kong who has a mode- rately good got suitable for re- ceiving such signals. Success in picking up these stations also depends very largely upon fay ourable atmospheric conditions. Readers are invited to add to this list should they succeed in plaking up any station not in- cluded in either of these Ilsta.

LONG-WAVE STATIONS.

Wave length (Metres) Station 260 Manila 277 Shanghai 930 Tientsin 310 Shanghai 320 Feping 343 Tokyo

Call Kite. Sign cycle EZI.B. 1,153 KS.M.S. 1,085 C.R.C. 1,070 F.R.C. 967 C.O.P.K. 44. J.0.A.K. 870

353 Hiroshima J.O.F.K, 355 Hong Kong Z.B.W. 357 Bombay 361 Sapporo 366. Keijo

370 Nagoya 370.4 Calcutta 380 Kumamoto 350 Sendai 305 Dairen

398 Rangoon 400 Osaka 410 Castor

413 Manila SHORT-WAVE STATIONS.

* STATION

CALL BIGH

67.65 Dobintz (Germany) 10.12 Khabarovsk (Bussia)

.31.4

KILA

CYCLES

850

840 Y.U.B. 840 J.OLK. 830 J.O.D.K. 820. J.O.C.K. 810 V.U.C S09.0 3.0.G.K. -700 J.O.E.K. TWO

J.D.A.K: 760 V.U.R. 754 J.O.B.K 760 C.ALE. 73 K.ZB.M. 726

TIME (HONG KO)

O WORKING

*4,434 Mon, Wed & Fri, 6 pm, & 2 a.m.

4,090 6-10 p...

A.F.K.

B.A.97.

A.G.J.

6,291 Not regular

R.F.N.

1.MA.. B.A.G.

V.8.1.4.B

P.C.L H.S.AP.J.

6,000 Tues., Thurs, Sat, 8 p.m. 5,898

Sunday midnight

"

7,142 Daily 6.30 p.m. & 11 p.m. 7,310 Not regular 7.780 Daily 11 p., 8,108 Tues. & Fri, 9 p.m.-1 a.m. 2.B.L. 9,234 Not regulat 3.LO.

0,503 Not regular W.ZA.F. 9,530 Daily 7am.

9,551

Fri. 8 a.m., Sat. 3 am, & 10 a.. 9.690 Not fegular

9.677 Midnight daily..

68.7

Nemen

50.

Moscow

Ryme 43.5

49. 41.3

Perth

38.8

Kootore

(Holland)

3.

Bangkok (diam)

82.b

Sydney

31.50

Melbourne

31.48 Schenectady

Eindhoven (Holland)

P.C.1.

31.28 Sydney

2.F.C.

81.

Nairobi (Kenya)

7.L.0.

28.5

Sydney

E.N.E..

10,528 Not regular

27.9

Bandoeng

ᏢᏞᎬ.

*25:53

Chelmsford (England) G.S.W.

24.5

Manila

K.1.X.E.

12,240 Nightly

23.36 Schenectady -

WAX.O.

18.85 Eandoong

P.L.G.

184

Kootwijk (Holland)

17,4

Bandoong

16.9

Bangkok

10.88

Huizen (Holland)

36.8

Kootwijk (Holland)

P.C.K.

18.74

Bandoing

15.5

Nancy (France)

13.03 Pittsburg

P.C.L P.L.F. H.8.1.P.J.

PELLI

P.L.E.

11,020 Midnight-3 a.m. daily 11,751 7.30 p.m. &3 am daily, except

Saturday and Sunday

12,850m, Wed, Fri, Sat. 10,102 Daily 6.30 p.m. to midnight 18304) Daily. 7 p.m.

17,280 Daily 8 pm to midnight

17,751 Sundays 7 p.m. & midnight

| 17,769) Dally-10 p.m.'

19,404 Each aftomoon

19,220 Dally 5.30-7 p..

10,351 Daily 9 am.

W.8.XE. 21.840 Not regular

PILOT RADIO & TUBE CORPORATION, Sole Agent for South Chine

SINCERE CO., LTD.

Tube Corporation will become one of the foremost radio manufactur- ers in the world. The expansion programme includes also the manu facture of "Phonograph Pick-ups, Radio Tubes, Loud Speakers, and Amplifiers.

When it intended to use the accumulator for some months there 19 pa better means than the follow ing for preserving it in good con dition. First, have it fully charged, then pour of the acid, wash out with distilled water, and keep in a dry state.

[TO THE EDITOR OF THE "HONG KONG DAILY PRESS,"1

"SIR,-I shall be glad if "Coberor"! will give me advice in the follow. ing matter. At present I am using a 3 valve set (Dict. low frequency, transformer coupled). Resulta with an ordinary power valve in the last stage are good, but I wish to get zavre volume. I find, however, on putting a Pentode in the last stage a peculiar whistling takes place. This whistling also occurs it I use në output transformer.

aro

"Coherer

Aerial, earth, and all batteries in good condition. Can advise me how to stop this unwanted whistle 1-Yours, etc,

W.L.P.

(The above letter arrived too late for reference to our contributor, but will dealt with next Thurs 'day.-ED.)

TO-DAY'S WIRELESS

PROGRAMME.

BROADCAST BY. Z.B.W: ON

355 METRES.

11 to 11.30 am-Commercial News 12.30 to 1.30 p.m.-Demonstration

programme,

1.30 p.m.-Weather report.

3-7 p.m.-European programme of Columbia Records by Courtėsy of Mesara. Anderson Music Co.: "On The Quarter Deck, March" (K. J. Alford) and Ellesmere, March(J. E. Grace), The Regimental Band of H.. Grenadier Guards.

"Ogul Mogul A Kanakanass Love. Lyric" (Bennett) and The- Tightest Man I Know (Ben- nett), Billy Bennett, Comedian, "Bitter Sweet-Vocal Gems (Noel Coward), Columbia Light Opera Company with Orchestra. La Benediction Deg Poignards" (Meyerbeer) and Lo! Here The Gentle Lark" (Bishop are. F. Godfrey), Regimental Band of H.M. Grenadier Guards:

(Richard Der Rosenkavalier"

Strauss), Duet: 'Richard Mayr. and Anni Andrassy with Oreless, tra conducted by Bruno Walter.

ADS TO BEATTY

Within the

Reach of All

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ITSANG FOOK PIANO COMPANY,

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One-motion tuning. Simplified. circuit: Units all interchange able.

There's nothing like

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SUPER-WASP"

"Jungle Drums (Refelbey) and SHORT WAVE

By The Blue Hawaiian Waters" Tone Picture), Band of H.M Grenadier. Guards, "Waldteufel Memories-Fantasia" (arr. Herman Finck), Herman Finck and His Orchestra: Marouf-il Est Des Musulmus?? (H. Rabaud) and:" Marouf-La Caravane!! (H.. Rabaud), George Thill, Tenor with Or cheatra...

"Le Gioconda: Dance of the Hours" (Ponchielli); Colum- bia Symphony Orchestra.“ | "La Gioconda-Ciclo E Mar

(Heaven and Ocean)” (Pon chielli) and "La Gioconda-S). Merir Ella De (Yes, to die in her Doom)" (Ponchielli), Tan- wedi Pasero, Bass, with Orches tra Barcarolle" (Tschaikowaky) and "Valse Creole (Tahaikovsky),

Regimental Band of HM Grenadier Guards Wiener Blut, Waliz" (Johann Strauss), Bruno Walter Con- ducting the Berliner StaatswU-" pelle (Berlin State Orchestra), The Magic Flute Gli Angeli. Unferio? (Mosart) and "L Variazioni Di Proch. (Song: with “ Variations): "......... (Prech),

·· A., M. Gulglielinetti Soprano

with Orchestra Four Waya, Suite No. 1 North warde (March); No. 2 South wards (Valse); and No.: 3 Eastwards (Eastern · Dence); No. 4 Westwards): (Rhythm), (Eric Coates), Regal Cinema Orchestra conducted by Emantiel Starkey S 7-7,35 p.m. Lecture from Columbia.

Recordar,

In addition to the enormous equipment which the Pilót Radio and Tube Corporation already has at its disposal in its present four factories, there have been pur- chased extensive equipments and modern automatic machinery for The Pilot Radio & Tube Cor-All the equipments and machin installation in the new factory. so poration, of Brooklyn, NY., an ory which the Pilot Radio & Tube that mass production on a large nounces the nequisition of a new Corporation, is at present holding reale can effectively be taken up in large manufacturing plant in Law in its factories in Brooklyn, NY, the new plant. This programme is rence, Mass., which comprises 20 Poughkeepsie, NY, Detroit, Michin line with the aims persued by entirely new buildings with an area Newark, NJ are being moved to the Pilot Radio & Tabe Corpora of more than 1,500,000 square feet, the giant plant in Lawrence, Mass., tion, for the purpose of offering

A staff of more than 5,000 em- and although the removal will go only precision and high quality What Is History? By Sir Char ployees is expected to be engaged forward at a rapid pace, it is ex- in the now factory in the perform-pected that about six months, will ance of the various manufacturing elapse antil all the equipments activities; with the compittion of have been installed in the new this, plant, the Pilot Radio and plant.

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10.30 p.m.-Close down.

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THE ONLY SHORT. WAVE RECEIVER NOW ON THE MARKET. THAT WORKS ON ALTERNATING CURRENT.

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M. S

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