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MUSICAL

de-

VUX charts a BEE for exciting suwnich... tion Beethoven lo Bartok : Esatarias Urailers. The now Vox the high Jidelity recordings meet fantastically manding ters of recording technique ZÁDNÍ KARTTIRILni them so exair, brity a huf expert will realise they existed.

Let 15 Dlustrate with leetiuven & Mozart's Twelve Ger-

man Dances Villa Lobos Bucinis Henslerna No. 3 and Beethoven's Uhumi Symphony, complete an on disc). For the best in Classtezi and popular music, vit Ezsey & Co., 760, Alexandra House, Teleplanes 30308, 3:567.

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SOMETHING

tore

EXCLUSIVE,

THE CHINA MAIL, MONDAY, JUNE 24, 1957.

SCIENCE & ENGINEERING

HALF

CENTURY MECHANICAL BRAIN FOR DRIVING TESTS

OF MERCURY VAPOUR LAMPS

In the summer of 1906 there appeared a paper on light generation by means of an electric discharge in mercury vapour under high pressure.

it

The particular feature of this new high- pressure mercury-vapour lamp was that produced light with a luminous efficiency of approx. 50 lumens per watt, whereas the gas discharged of low pressure and the incandescent lamps known hitherto, did not go beyond a few lumens per watt.

The emission of the high- also be used for lighting offices, pressure mercury-vapour lamp meeting halla and other contain a high proportion of business rooms where u

high ultra-violet radiation; at Arst level of Illumination is desired. the lamps were therefore chiefly used for medleni "Kun-ray" lamps.

purposes, as For medical purposes (50- lamps) use la made of high- The position remained 10-pressure mercury-vapour lamps changed for the first 25 years; without outer bulb, the "Biosol" hardly any modification was lamp; these are

equipped with made to the shape of the lamp either. In the following 25 years, however, an interisive development took place which has led to a great variety of lamp types,

lsולני

a choke coll as current limiter, The M.L.U. lamps, on the other hand, in which a flament is used as current limiter, do have wn outer bulb, but one which passes the ultra-violel The development started Inside of this outer bulb is with the introduction of the partly mirrored to concentrate oxide cathode and the addition the beneñelal radialim. of rare gaa to the mercury vapour. Ignition of the lamp was thus made simpler and it could even be made to ignite from the ordinary

11

lighting As analysing lamp for detect- mains of 220 volls, so that it ing all kinds of forgeries could be used for street high-pressure mercury-vapour lighting.

lamp is used with an outer bulb which does not pars the visible light but only the long-wave ultra-violel. These

HPW lamps also create very beautiful fluorescent effects on the theatre stage, in shopwindows and for advertising purposes.

After Phillips hod succeeded wires melting tungsten vacuum-tight in silica by means of an intermediate glass" sanal high-pressure

mercury-

Finally there are high- vapour lamp was constructed, in which the discharge took place pressure lamps for photo-

small skica

printing and, fürthermore, some tube capillary form. This tube was special types of lamps with cooled with water and in this built-in reflector. These more

high-pressure,

lamps,

in "

of

Mr Jack Ausien-Wallon, of Worthing, England, has invented the world's frei meetrikat brain for driving-text examinations. He plazes the machina in the our with his pupli, sends the pupli on a solo drive, On return of car, Mr Walion removes a sheet of graph paper, which shows the degree of skils displayed in braking, cornering, accelerating and changing rear. Mr Wallah is pittured here with the brain and pretty girl pupil Mias Penelope Thompson-Express Photo.

AIRCRAFT TELEPHONY SYSTEM

way, without any danger of or less complete the whole Britain

explosion, the tube could with- family sland

of

2 mercury vapour, mercury-vapour pressure of one hundred developed during the last 25 atmospheres,

Lamps of this kind which, among other purposes, are used in cinema projectors, have o very great brightness,

sun.

Ex- perimentally, it is even possible to make lamps with a bright- ness greater than that of the For general lighting pur- past, for which water cooling would be far too complicated, the interior of an outer bulb of the sume shape that of an ordinary incandescent lamp. was filled with a discharge tube, inside which, when the lamp Is burning, Balibary

the mercury-vapour pressure may reach approx. twenty atmospheres.

Collec- Alampa

packet of assorted From 20 cents per packet upward. An entirely new veries. South China Morning Post Ltd.. Wyndham Street. Hongkong

Road, Kowloon.

13:ter

To ADVERTISERS

BUNDAY POST-HERALD Ораса for commercial advertising should be booked not later than noon on Wednesdays.

For the 8OUTH CHINA MORNING POST and the CHINA MAIL, 48 hours before date of publication. Special - Announcements and Classified Advertise- monta aa sinual.

H. K. S. P. C.

Neede financial support for the make of poor children

Please address communica-

In order to utilise also the ultra-violet radiation emitted by the discharge tube, the

inner wall of the outer kulb is covered with a thin layer of Buorescent powder

which converts the ultra-violet rudiation Into visible light.

.Due to intensive research, fluorescent substances have been found which improved the colour rendering of the high-pressurr mercury-vapour

to suck an extent that the lamp became eminently suitable for street lighting.

mercury-

The high-pressure vapour lamp olways requires a current limiter, Sometimes

a

choke coll is used for this pur pose, in other cases, it is Alament atted in the which keeps the current within certain limits.

lamp

The amount of light supplied by the incandescent Alament improves the colour rendering of the lamp to such an extent that these "M.L," lamps

CAR

Viewer For

tions: Secretary, Hongkong 35 mm Cine

Society for the Protection of Children. P.O. Boz #508 Hongkong.

Plakis sând la your unwanted, taya, Collection entre at Fodiffusion.

Oriente Comercial

Importers, Kaporters and General Merchante

22/ž), ¿vanida Äimalda Hibetra MACAU Telephone! 268),

Authorited Dutributará of--- South Ching Morning Pos South Chins Bunday Port-#fsraid China Mail'

Whtie in Marne, stay at the POUSADA. INN, Prala. Grazide. Cable: Pourada,

Records

This viewer cnobles 38 mm cine records to be examined frame by frame or in motion. It is designed for ure la the Mboratory when repeated examination of a short length of record is often called for. For this purpose the viewer i considerably more convenient than a full size projector, and is much less expensive.

When the film la rest, a 15 by frame length can be seen continuous light; when the film Is moved (by tuming a handle) the continuous light source is extinguished and a stroboscopic

hip comes into operation.

This lamp filuminates a single Frame synetmontsed with the movement of the nim by means of a eptocked, which) and commutator so as to produce the eine effect.

years,

A now aircraft telephony with the assistance of Canadian system has been developed in scientists. The new system is

and trials have been callest Situle Side Band (599) and it permits aircraft to main. carried out by scientiaia of the tain relable voice contact with Ministry of Supply and technical a central control point over die ellicers of the Royal Air Force tations of thousands of miles,

MANDRAKE THE MAGICIAN

LET HIM TALK! UH--NOT HER-- WHERE'S

BUTSHE CAN

NARDA?

HEAR US-

FERDINAND

NANCY

PEEWEE --- I'M GLAD

YOU JOINED MY BIRD-WATCHING

CLUB

JOHNNY HAZARD

SOMET-CONTROLLED OR NOT, SURE HOPE THEY HAVE A MEDICIN THAT VILLABRI SHOW'S STOPPING. DOOP OMEN F LEAST GNES US A CHANCE OF SSÁRICH PLANES FINDING

Usi

--AND IP ANY HARM COMES TO ME -- "YOULI,

HEAR HERT

TICK

TICK TICK

WHERE. HE

I WONDER

WENT

LET HIM SIT DOWN, LOTHAR. LET'S HEAR WHAT HE HAS TO SAY, WHAT DO YOU WANT, TUBT

The China Mail Music Critic Writes On Friday's Concert

That

Concerto

Again Please!

THE second of the Music Society's

concerts with Mr Ruggiero Ricci as soloist was given in the University Loke Yew Hall on Friday night, to a packed audience.

This was the much-looked-sweet_tone were in excellent forward-to event when Mr Ricci accort. Though the individumă played the Beethoven Violins players of the Orchestra wire Concerto, with the Sino-British obviously revelling in the co- Orchestra, and not only that, but joyment of accompanying these he and Professor Fen gave the two tine pinyers in one of Bach's Bach Double Concerto for two nobleat works, violing and orchestra.

the Orchestra was a little uncertain at times, On former occasions when the and seemed to be not quito in- Orchestra has played with a tegrated. first-rate musician of intere

national fame, it has been very much "on is toes" and ready to give of its best, and last Friday, with the Inspiration of Mr Ricci

once indeed,

FULL & BALANCED

DEPTH & CONFIDENCE

In Beethoven's Violin Con certo, however, it was a differ and some musle which was fresh

cut matter, From the opening and unfamiliar from the point of four drum beats, the Orchestra view of the players, the Orches-

played with depth anĆ com tra put up a very good perform-fidence. Apart from slight over-balancing of the lower strings by the upper sections, BMI o few uncertainties from the hors at the beginning of of Mr Ricel's remarkable per- the second movement, this was formances, inore later, Tho a very creditable and musician- Orchestra opened the concertly performance, and one of with Mozarth "Figaro" Over- which the Sino-British Music ture, and from the beginning its Group can well be proud. Lone was full and balanced, it The Orchestra has come A played with the lightness and long way since its foundation gafely uppropriate to this love by a few enthusiaste some ten liest of Mozart's overtures, and years ago, Hongkong now has

timing and entries weTO aceurato and crisp.

The Bach Double Concerto followed, and it was good to see Professor Foa In the role of violinis again.

Dr Bard took over as conductor with quiet efficiency, and Mra Moya Rea moved into the leader's deak.

the

Mr Ricel and Professor Foa combined to give a spirited and vigorous rendering of the Con- certo, though there was a certain roughness, especially in the first and last movements, and F lack of the polish which was 1 characteristic of the

un-

Although it employs only a narrow portion of the spectrum accompanied Buch heard Inter.

with The second movement, it permits a wider use of signals Its

expressive lyrical themes, and economises in the use of was beautifully

Mr given; already crowded radio frequen-Ricci's full and robust tone and cles,

Fou's thinner

By Lee Falk and Phil Davla

WANT TO STEAL

A MILLION DOLLARS.,

I WANT YOU TO

SHOW ME HOW

By Mik

By Ernie Bushmiller

THERE SHOULD BE LOTS OF STORKS AROUND HERE

WHILE ABOVE, MANY MILES AWAY-A

"OKAY, BOYS ..... CALL IT ADAYS THE MOS ARE BACK IN THEIR AR SEKRETORY NOW AND I DON'T THINK THEY'LL STICK THEIR NOSED OUT

YCAN SAY THAT ABAH, JAMKYLI ROCK-N-ROLLED THAT RED SQUARE 19580 N:PPED DUR A-EKMBER TO A FUR-TREK-WELL./

MATERNITY

HOSPITAL

By Frank Robbins

NERIN'... OUR (BOMBER! WHAT KIND OF DOUBLE-BARRELED JERKS ARS WET OUR JOB WAS TO

DISAPPEAREDI THAT MIG MUSTVA HIT ESCENT THAT A-WHALE, NOT HURTZA HER HARPER

WHERE IS THE NOW!

THAN I THOUGHTI BOUT WE DIDN'T BET A DISTAGES CALL/

Professor

There's More than Magic in

FRY'S A

They De

FAVOURNES

are Delicious

CUTEX

LIPSTICK

IN THE

LATEST

SHADES

but

an orchestra with which world- famous musicians to play.

are satisfied

Turning to Mr Ricel's fine performance of the Beethoven, it was a dynamic, brilliant and "growing" interpretation. I use this latter word in the ochec that one feels this is not the ultimate, not the greatest per. formance of which will be capable.

to be

He seems up, ant within

Mr Ricci

building 11 a fow

years, will have achieved just what he is seeking to make it perfect from his own point of view. Technically it is already almost perfect, and full of five- liness with a truly musical understanding to the last detail, The Cadotiza by Kreisler was masterpiece of virtuosity, especially the amazing double- stopping. man,

In the last move- Mr Ricel and the orchestra were at their best together, in complete accord in every way, and the swift and sudden end- ing was strong and clean. UNFORGETTABLE

In response to a great ovation, Mr Ricci gove

in enodre, a Practudium by Bach, usually played by the organ or arranged for orchestra; but this was the real unaccompanied Bach ani Mr Hitel was superb in it; some- how the decried more UT trammeled than when playing the Double Concerto.

I think that looking back oven Ricci's two concerts so far, the

Kems outstanding

in (sch have been the unaccompanies works of Bach. These will be unforgettable, while the Boothio- ven and other works, though very flhe performances, will be Iess outstanding in the memory. Mr Ricel will be giving one mary recital in the Loke” Yew Hall with Mrs Rea as aLCOM- panist, on Thursday, July 4 Could this recital Inclide A repeat performance of the Beethoven Concerto with the Sho-British Orchestra?

A1

Hongkong All events, audiences will be delighted to havo

another opportunity t hear

this splendid violinist musicianship, technical prowess and pleasing personality have made la vist herc memorable.

XX

whose

50

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