Page
HONG KONG DAILY PRESS, THURSDAY, OCTOBER 27, 1932.
RADIO
F
FEATURES
MARCONI SOUNDING. battery, and not be depen"POTTED" B.B.C. FOR constructors for components. The
DEVICE
LANGEVIN-CHILOWSKY
SYSTEM
ECHOMETER TYPE
in operation,
THE EMPIRE
MUSICIANS AGREE TO TERMS
"
writer learnt this recently from Mr. E. M. Lee, one of the princi- pals of the firm of Belling and Lee, Ltd., who conducted him over the company's
factory new
од the Cambridge arterial road at En.
WIRELESS FOR
BRIGHTON POLICE
HIGH-POWERED "STATION" BEING MADE IN LONDON
dint on the ship's dynamo, parti- cularly in eases of emergency. The experience gained during the Creat War demonstrated only too föreib. ly that any device employed for radiating beyond the ship itself should be capable of secrecy in
Tap outstanding impressions are One more difficulty has been over-
Brighton, Sept. Immediate operation, and commercial experi ence indicates with equal force that come in the infinitely complex task conveyed by a visit to this ultra-stops are now being taken to equip its the Brighton police with pocket The importance of an efficient in order not to disturb the rest of providing twenty-four pro- modera establishment, with
periods of passengers or crew, agramme facilities for the new Em numerous high-speed automatic la wireless acts as a result, of yester sounding device, which combines ac- curacy with rapidity in operation, sounding device should be noiseless pira brondeasting service. Agree thes, its machines that complete day's demontration in the presen Iment has been reached between the, and cough out tiny nuts at the rate ice of Home Offer and Scotland can best be appreciated by a sun-
In view of the careful considera-B.B.C. and the Musicians Union of sixty a minute, and a hundred, Yard oficials. sideration of the figures, publish- ed periodically, showing the causestion which has been given to these regarding the proposal to supple- and one other evidences of ingen- During this test news that a car These important details, the Marconiment the short-wave transmissions uity and efficiency. One is the per find been stolen at Hastings was of loss of tammage at +'il figures show that even during the Sounding Devien Company, Ltd., from Daventry with gramophone sanal triumph for Mr. Lee, who, actually relayed from the police is not able to offer to British Ship records, exported as a kind of at the age of 30, has organised the broadcasting station and picked up past few years, when numerous mo-
entire factory down to the most by a policeman on his beat five dern and scientific aids to naviga
owners the latest sounding device, "potted" product.
minute details, knows what every miles away. Briefly the idea is to record, a tion have been available, more than known as. the Echometer Type. This 30 per cent, of the losses of steam-instrument gives, instantaneously typical B.B.C. programme of, say, machine will do, and almost what! The officials were greatly im- ships and motorships were due to and correctly, and irrespective of an hour's duration, and distribute every one of the 250 employees issed by the efficiency of the set, stranding and kindred causes. This the speed of the vessel or weather the discs to local broadcasting sta- doing. He is, incidentally, also which is carried in the policeman's pocket; and a report is to be pre- is a clear indication of the heees. conditions, all depths between 2 tions in some of the remoter parts
A Great Litle Industry,”
sented to the Home Office commit. sity for apparalus which will show and 300 fathoms under keel-no of the Dominions and Colonies. !
tee which is considering the appli- The second is that in ten years a the navigator automatically and matter how quickly the ocean bed The figure that looms so large in instantaneously, the depth of water may vary. It is separate unit, Empire radio calculations,
great industry has been built up cation of wireless to police work.. A detailed scheme for equipping ander the ship, and it was doubt capable of being operated from "lonely settler," will, it is deem from the odds and ends of wireless, addition to for the firm make such things as
police throughout the country with less for this reson that the dele small battery, simultaneously with ed, welcome such an
the local fare. gates of the various countries re. the direction finder, and is secret
terminals, fuses, wander-plugs, and similar sets has also been submit. presented at the Safety of Life at and silent in operation. With this
nothing larger than gramophone ted to this committee by the Chief Sea Conference held in London in type of Sounding Device the na
Few of these exiled pioneers are pick-ups. It is now difficult to buy Constable of Brighton, Mr. Char 1919 were unanimous in their re- ture of the sea bottom-i.e., whe-likely to be equipped with short or make a British receiver which lex Griffis, whose secret tests' with wave sets for the direct reception
the radio were first described in commendation that the Contract-ther hard or soft-can also be as of the new Daventry station. Then, has no Belling-Lee product in it,
there is the additional factor that Tiny oddments are turned out
The Brening News many months ing Governments should encourage certained.
conditions may not always be fa-
ago. the development and use of echo
at the rate of 250,000 a day, and vourable for long-distatic recep- depth-sounding apparatus.
there are 10,000,000 in stock. In- tion.
Negotiations have been proceedcidentally, how
many listeners
Description of the Apparatus. The apparatus consists of three main parte:-
(a) The underwater projector; (b) The combined transmitter
nud amplifier unit.
(c) The analyser and indicator
unit,
Exiled Pioneers.
the
ing with the Musicians' Union over know that those red and blue plugs the question of artists' fees for
In Every Area, This suggests the installation of police transmitting stations in
I learn that a powerful trans- mitting apparatus, which will ope-
auch recording, and all difficulties in their sets are made from specievery police area. have been resolved. But another ally treated cheese, disguised under problem shortly to be tackled is the name of casein? that of the terms on which Empire stations will make use of such re- acords, and it will not be easy of
solution.
1
Daring Comparisona.
Since this recommendation was made, and notwithstanding โรง fact that various types of automa- tic sounding devices had been on the market for many years, the Marconi Company decided that this additional aid to navigation and
The Projector consists of safety of life and property at sea ninsale of crystals compressed merited further careful study and between two thick steel plates. It is investigation. In their study of housed in a spocial steel hull casting the subject, combined with their in the bottom of the ship. When a unrivalled experience in the mau-transmission" is made an oscilly facture and servicing of highly latory voltage is applied across the ling off in The' demand of home 'ontinued af fagt of next colunin)) (easily into the vest pocket of a
Home Constructors Busy. Despite the fact that sales of ra dio sels have increased enormous-
recently, there has been no fal
rate on a seret wave-length, kas While it cannot be pretended actually been ordered by the that radio and gramophone repro- Brighton police. It is being built duction in indistinguishable from in London.
the real thing, one can admire the The pocket set--the invention of enterprise and originality of the
Ekco Co. in showing to a wide Mr. C. L. P. Dean, a young radio 12oz., fits public what great strides towards engineer-weighs 1ib.
scientific wireless apparatus, they plates for an instant. This causes came to the conclusion that al- the outer plate to vibrate at high HAVE YOU HEARD THESE? though a sounding device should be frequency, and thus imparts wave
motion to the water. This signal travels to the bottom of the sea, and is reflected back again, the
rcvcrsc
a self-contained unit suitable for installing on any size or type of vessel, and capable of working efficiently and independently of any speed of propagation being well other electrical gear on board, it known. When, the return signal was also essential that a practical efficient sounding device should be strikes the projector, the capable of being operated simal process takes place, and a -email taneously with direction finding ap-voltage is caused in the circuit paratus-where fitted-and thus en able the navigator to check the connected to the projector. reading of one with the other, and thereby determine his position with Talacrity, acéurney and assurance,
particularly when making land insuring the time interval between ihick fog.
the transmission and reception of From their unique experience in the coho. This is accurately' car- providing wirnices means for giv. ing aid to vessels in distress, the ried out by the Echometer.
Marconi Company also felt that an
The measurement of the depth of water is thus a question of men-
A watertight metal case, cellu- ;
the
efficient ever-rendy Sounding De-losed Service grey, contains vice should be capable of being operated instantaneously from combined transmitter and ampli-
WHY NOT
"SAVE YOUR MONEY”
BY
COMPARING
our value and quality
of
2
MUSICAL INSTRUMENTS
with any other firms' before purchasing elsewhere?
THE CHEAP-SIDE CO.
348. Lockhart Road:
#TEL 28808. 4₺
fier. The Echometer transmitter is similar to a small quench gap wireless 'transmitter. The amplifier also closely follows wireless prac tice and minguifies the echo which is received by the projector.
The ense containing the azalysor and indicator component is also completely watertight.
Here are liste of long-wave and short-wave stations which should be picked up by anyone
in Hong Kong who has a mode. rately good set suitable for re- ceiving such signals. Euccess in picking up these stations also depends very largely upon fav. ourable atmospheric conditions. Rondors are invited to add to this list should, they succeed la picking up any station not in. cluded in eitber of these lats.
AL the top of the case is a liorizan- tal "edgewise" apaque sector, gradu- 56,7 ated from 0 to 300 fathoms. A spot 50. of light from a sinall electriz lamp | 43.5
Romo
LONG-WAVE STATIONS.
Wave length
Call Kilo Sign
vysla K.Z.L.B. 1,153 K.S.M.S. 1,083
(Metres) Station
200 Manila 277 Shanghai 345 Tokyo
381 Sappor
policeman hears news in ordinary with a tiny ball which tinkles whenever a message is coming
over.
1/
By applying an ear-phone, the ceman hears news in ordinary speech,
Spent His Savings.
have been working on the "I idea of miniature radio ever since J.O.A.K. 810 I was a boy," the inventor told me. 353 Hiroshima J.0.F.K. 660
"I spent hundreds of ponds-all 358 Hong Kong Z.B.W. 840 my savings, in fact in research 357.1 Bombay V.U.B. 840
work. J.O.I.K. 8:30 J.O.D.K. 890 J.O.C.K. Blo V.U.C. 600.0 380 Kumamoto · J.O.G.K. 790 300 Sendai J.O.H.K. 770 J.Q.A.K. 700 J.Ó.B.K. 760 C.M.B. -739 K.Z.R.M. 26
300 Keijo 370 Nagoya 370.4 Caloutta
395 Dairen
400 Onaka
410 Capton 480 Manila
SHORT-WAVE STATIONS.
- STATION
CALL SION
ouy
CYCLES
TIME (Hona Koma)
OF WORKING
"I spent hundreds of pounds-all sea for some years, and when I gave that up I went home and set- tled down on my own research. I had no return for a very long time indeed; but I hope that I shall get some when the set is adopted."
perfection have been made. The
Direct Comparison" show, in: which leading broadcasting artists take part, was introduced to the public at Olympia, shown in an improved form to audiences at a
4,434 Mon, Wed,& Fri., 6p.m. & 2 a.m London cinema, and is being re-
7,142 Dally 6.30 pm, & 11 p.m.
07.05
Doblats (Germany)
A.F.K
€0.12
Khabarovsk (Russia)
R.A.07.
4,990 8-10 p.m.
NaucsW
A.G.J.
6,201 Not regular
Mosco
B.F.K.
8,000 Tues, Thurs., 8al., 8 p.m.
Furth
413
18.8
(a) A revolving mirror; and
Singapore Kootwijk (Holland) P.C.L.
37.
Bangkok (Slam)
L.M.A. B.&,Q, V.B.J.A.B.
HSAPJ.
4,800 | Sunday midnight
(b) An oscillograph mirror.
35.2
Bydney
31,68
Melbourne
Schenectady
in the case is reflected on to this 43. scale by way of:-
77,810 Not regular
7,730 Daily 1 p
8,108 Tues. & Fri, 0
0230 Not regular
3.B.L ZLD). 9,503 Not regular W.2.3.A.F. 9,530 Dally 7 m Eindhoven (Holland) P.C.J.
2.F.C. Nairobi (Kenya)
7.1.0. Bydney Bandoeng
PLE· Chelmsford (England) 6.8.W.
Manila
Bardoeng
The spot of light is also reflected 31,48 by a special type of oscillograph alzo mirror. When electric current i 31,38 Sydney received in the coil of the oscillo- 31. graph an armature moves the mir 28.5 ror attached to it, and projects 37.8 the spot of light in the vertical 25.58 plane. The input end of the am-245 plifier is joined across the projec 28.35 tor circuit, and the output end is 1888 -joined across the ciciliorapgh-coil 18,4 The spot of light moves across | 17,6
16.0❘ Bangkok" the scalu 00 times in 70 Reconds.
Each time the revolving mirror
10.9 16.74 starts, it actuates a contact which
15.5 caueca a transmission to be made. 193 This transmission senda out waves. through the water and also causCA the ballograph to work, so that the spot of light will jump and a peak, rather like a tooth, appears on the scale.
0,020 FTL 8 am, Sat, 8 am, & 10 m.in. 9,590 | Not regular
9877 Midnight daily
10,626 Not rogular
11,020 | Midnight—3 a.m. daily 1151 7.80 p.m. & 8 a.m. daily, except
Baturday and Bunday
12,240 Nightly
12,800 4am. Wod., Fri., Bat.
Op... to midnight
10,102) Daily 6,30)
1304 D77 pi
K.LX.B.
Bokonectady
W2.30.
PLO
Kootwijk (Holland) Bandoong
P01
P.L.F.
Kootwijk (Holland}'
Baudoeng Nancy (France) Pittsburg
P.O.K PLE
19,851 Dally a man."
WALK.
H.8.1.PJ
[Allowance must be made for
„17,250 | Daly 8 p.m. to midnight 17,751 Sundays 7p.in & midnight 18,404 Each afternoon.
19,220 Dally 5.80p.
21,540 Not regular
untries, which is one hour ahead of true time
pented at the Manchester Radio Exhibition. Eventually it will be taken to places of entertainment all over the country.
Use is made of a radio-gramo- phone, a glass-fronted model broad. casting, studio, and a record. The artist is first heard by gramo phone, then seen and heard broad- casting, and finally emerges from the studio to let the audiopee bear reality.
The Ekco radio-gram emerges. with distinction from this daring trigh and it is perfectly trite that little difference can be discerned. between the radio and gramophone reproduction. It is remarkable that an ordinary radio gramophone, without the use of amplifers, "can food a large hall with sound, und ba heard
perfect clarity Crorywhere:
TO-DAY'S WIRELESS
PROGRAMME
BROADCAST BY Z.B.W ON 355 METRES.
to 11.30 am-Stock and ex change quotations.
1
11.30 am-Chinese recorded pro-
8
¦
gramme.
19.30 p.m.-European programme of
Regal records.
port,
1 p.m.-Local time and weather re-
1.30 p.m. Rugby Press news, etc. 10. Pr 8 to 9 p.m.-Europeha programme.
to 6 p.m.-Relay of the Hong
Kong Hotel Orchestra, 5.30 to 8 p.m.-Humorous Song Be 8 p.m.-Local time and weather re- 8.3 to 0.30 p.m.-Chinese Studio
cital from the Studio.
port, etc.
Concert.
9.30 to 10 p.m.-Relay of the Band of the 1st Battn, South Wales Borderers.
10 to 11.30 p.m.-Chinese Studio
Convert.
10.30 p.m.-Rugby Mid-day Press
5
DEWA.
11.30 p.m. (approx.)-Close down.
to 6 pm-A relay of the Hong Kong Hotel Orchestra by cour texy of the Management (Dur- ing the intervals recorded music will be broadcast).
William Heseltine and Quar tette.-MRGID. Fox Trots" The Sun Has Got His Hat On":"Night Shall Be Filled With Music "Sydney Kyte and his Piccadilly Hotel Band.-MR625,
7.30 to 8 pm. :-
From the Studio.
A Selection of Humorous Songs by Mr. Bryan Lewis accom panied by Mr. "Ronnie" True; p.m.-Local time and weather re-
port, etc.
8.5 to 9.30 p.m.-Chinese Studio.
Concert.
0.30 to 10 p.m.-A reiny of the Band of the 1st Battn. South Wales Borderers conducted by Band. master J. L Geoks, by courtesy. of the Officer Commanding. 10.30 p.m.-Rugby Press news. 10 to 11.30 p.m.-Chinese studia
concert.
11.30 p.m.-Close down.
(All records in the above Euro- pean programmes are Regal, and are supplied by Mesars, The Ander-
Music Company).
s
Programme:1, By way of intro- duction; 2, "Gems"; 3, Murdera.
REMOVAL SALE.
p.m.--Closing Stock and Exchange RECORDS
Quotations.
6 to 7,33 p.m.-
Band-Cuban Love Song-"Live,
Love and Laugh "The London Piano-Accordeon Band.-MR347. Song- Tell Me With a Love Song"-Apona Winn (Soprano). -Whoso.
Chorus "The Voice in the Old Village Choir William Hesel- tine and Mixed Quartet.- MR680. Organ Martial Moments "
Mammoth Fair Organ. MR002.
Yodel- Yodel "Honeymoon
Happy and Free"-Harry Tor- Tani and Guitar.-MR479.
Step-"Rhythmatitis "; One Step "Iver the Clouds"- Jack Payne and the B.B.C.
Dance Orch.-MR490.
Quick
Vocal Duets-"My Sunny Mon- terey"; "Lamna-Anona Winn and Allan O'Sullivan-MR801. Band "Good Evening";
"Moon-
light the Danube, and You"-. London Piano-Accordeon Hand. ---MR621.
Duet Missouri Valley Carson
Robison and Frank Luther: 1. Trio-" In the Mountains Carson
.50 cts, each
and
$1.00 each,
DANCE MUSIC
20 cts, per copy,
Selection at
Cumberland TSANG FOOK PIANO
Frank Luther and Phil Crow.~~ MR482.
Waltz Farmyard"-" Spring. time"-Continental Novelty Or chestra, MR478. Vocal" Long Ago""Gipay Moon"--Troise and the Man- doliers with chorus-MR616. Organ-"Over the Waves"-"The Blue Danube "Mammoth Fair Organ. MRS28,
Chorus The Bong that is Call
ing Me Home" "Wand'ring by an Old Cathedral Garden "
COMPANY.
8, Des Voeux Road, Central
(Entrance Ico House Street)
Telephone 24848.
HERE IS AN OPPORTUNITY! L
No. 33-7-Valve Radio with Panatrope-Absolutely the last word in radio reception and embodies outstanding features
of exceptional merit.
Regular Price $600,
SALE PRICE $450,
$1.20 each BRUNSWICK RECORDS 80 cts, each
Real Bargains!
Come Early
The Brunswick House
ARCADE,
GLOUCESTER BUILDING.