1957-04-22 — Page 8

CHINA MAIL

AVENÍ ZEKAO STAZEN

HONGKONG

PUBLISHED DAILY N

(AFTERNOONS),

Price, 20 cents per copy. Baturdays 30 centy Bubboription: $8.00 per month.

Postage: China and Macne $3,00 per month, UK. Drumzi Possession and other countries $1.00 per mouth. News contributions, always wol- come, should be addressed to the Eltor, business communications and advertiserpents to the Secretary.

Telephone: 36511 (5 lines), KOWLOON OFFICE:

Balisbury Nord,

Telephnia: saida,

MERRIKANJIR PIENELITÁLIE NAJINTAISTANCIALMENTE BIALETTEN

Classified Advertisements

20 WORDS $4.00 for 1 DAY PREPAID

ADDITIONAL INSERTIONS $2.00 PER DAY

10 centa PER WORD OVER 20

Births, Deaths, Marriages,

Personal $5.00 per insertion not exceeding 25 words, 25 cents each additional word.

ALTERNATE INSEKTIONS 10% EXTRA

if not propaid a booking fao of 50 cents in charged.

TUITION GIVEN

MODKEN BALLROOM DANCE "Simple Method" successfully taught. Dequineri delighted. Gain DUB- Adence — outstanding lyle:Toby WODR. BU,

Hoad. Telephone 75004).

Wongnelliong

JAPANESE LESBONI by experienced 16acher with University degree, Easy, effective method. Very quick result. Many successtul paplis, P. G. Bor dead, Hongkong.

DRIVING LESSONS given by English apeaking qualifiest Instructure in Hongkung and Kowloon, 243 Yu Chau street, Kowloon. Tel. 5462 1 p.m.

WANTED KNOWN

SPOTST PIMPLES? 'ENKAMEL conceals

Gol Dit heata.

handy tuba today wo aizzo available from leading dispensaries and ktorės.

DRESSMAKING

CLABURBI—iwara

cutting, sewing, drafting, tailoring. Completo training. Mornings/after-

hootis/evenings

**Jean**

Happy Valley,

Enroll

w-day

Wongnelchung Road

MUSICAL

**CO-

THE CHINA MAIL, MONDAY, APRIL 22, 1067.

SCIENCE

ENGINEERING

HARBOUR RADAR STATIONS

Chain System Opened At Rotterdam

Last November, His Royal Highness Prince Bernhard inaugurated the world's first chain of harbour radar stations that covered Niewe Waterweg and Rotterdam Docks,

Rotterdam is world-famous for its excellent harbour facilities, which enable cargo to be discharged and loaded rapidly.

Despite

its

harbour equipment, however, the movements of shipping have hitherto been frequently restricted because of bad weather and much valuable time has been lost.

of

a caused

Radar lower at the Pernis Station,

Dielectric Test Set

development of high

WEIR REGENERATIVE DE-AERATING CONDENSERS

0

The as Sylvania built by ginge turbine-driven pump, hay- John Brown and Company Ing the same capacity as the Ltd, for the Cunard Steam- service duties are covered by

maln electro-feeder. Harbour An Instrument Intented for ahip Company Ltd, is, like small Weir dietro-feeder and a laboratories engaged in the her

sister ships tempera- iure resing and laminates for Saxonia, Ivernis and having an output of from 50,000 microwave propagation Carinthia, equipped

has

with been introduced

by Marcell Weir Regenerative Conden- Electronles (Imperial Buildings, sers 56, Kingsway, London, WC 2):System of

Closed Feed Direct readings can be made of neration type to ensure full the double de- permittivity and loss tangent

and

the stond-by turbo-feed primp, each

to 80,000 lb/lr.

Evaporators

for small samples at fixed spot de-aeration at all powers frequencles; three different models are available to

rent 'and in all conditions of ser-

cover

microwave

aro

19

the frequency rango 6,000 Me/s vice. 10 17,000 Mc/n, Provision is Madto for dielectric measure-

The Weir Regenerative de menta to bo

undertaken at aerating condensers, one on each temperatures up to 450 deg C. of the two main engines,

The equipment is designed designed for a 29 inches vacuim for use by chemists having little when the circulating water that a certain small spot of light designed and manufactured by knowledge of

by a farmer out N.V. van der Heem of The techniques,

60 deg. F. For each condenser, the approval ploughing his field alongside time Hague subject to

Energy enters the 3dB coupler one working and one stand-by two extraction pumps are fitted, Many other examples of the Postal Authorities, Wabar.

The from The klystron could be elted to demonstrate costs

equipment and build-

The properties of this coupler each capable of withdrawing how accurate and sensitive these ings which were borne by the

78,000 lb/hr are such that the energy dividen trom radar-sets are.

to 170,000 They are

so Clly of Iotterdam, amounted to sensitive that with a little prac- somme 4,700,000 guliders equally between arms 2 and 3,6/hr condensate and discharg a micro-telephone tice it is possible to pick out ($1,270,000),

nono emerging from arm 4ing it through the air ejectors, with a send/receive switch in

Arms 1 and 2 are terminated glands steam condensers and de- tiny echoes caused by birds the handle and the captain and floating on the water. of

respectively in a shorting plate aerator, to the suction of the ump'a offlecTS

hear in-

and adjustable short cireulting main feed pumps. formatters as It is passed on

plunger. The adjusted from the shore station trom

to give Ü path difference of 180 deg between built-in loudspraker.

arms 1 and 2.

AB for buck as 1947, when pit Rotterdam was as busy as could be with the reconstruction ita war-crippled docks, the City Council considered whether any the radio-redar aids that had been brought to such a peak of development during the

war could be utlived to Increase the safety of navigation on the river and Ire the docka during periods of fog and bad visibility.

1154

con

The radar stadions are pro- vided with similar transmittery

xer verivers but there are naturally fixer stallations and each

Considerable Saving

of the

Along the coast Netherlands there is an average annual total of 240 hours of 10g. the equivalent of 10 full days. of

In 1955 the visibility of the the works on one particular

Waterweg was less than 1,500 frequency. An incoming or

out- gving vessel reports to the

metres for a total of 350 hours. the ap

it Fog hampers shipping, time propriate station every

well-known and enters km

section.

sometimes If you

paralyses it for long periods, were to watch the observen at work and look at the

The Radar system radar-

was made would posible screen with them, you

City OL of Rotterdam in close co-operation he amazed

number azed at the detall the radar image reveals with the Royal Netherlands The unpractised oye

of the Navy, the Pliot Service,

The Ministry

of Dikes and Water- visitor sees the land area

They fully realsed

that pioneering work was necessary. Hadar, was of course already in use in some other ports, instance Liverpool, but the altizators there

W7 entirely diferent from the one at Rot- terdam, which is much further Inland with a relatively narrow and tortuous approach. In 1948 Rotterdam City Council decided

# new

дяв

by

the

Cartridge Hammer

the

arm 1. of

plunger

REFLECTED ENERGY

8

A breach loading cartridge The reflected energy re-enters tool capable of driving hardened

arms 2 and 3 and is absorbed by steel nails and bolts into con-

attenuator in armi 1. crete, steel and brickwork with

Insertion of a dielectric sample complete Safoty wilt be in arm 2 causes a change exhibited tat the British electrical lengths and some Industries Fair in Birmingham this reflected energy passes to this May.

arm 4 which is terminated in a

In

of

VA

the

to appoint a Nieuwe Waterweg mass of fixexi patches of light ways, and the Postal Authorities, flold, the manufacturers say,of the sample is obtained, This

Radar Committee to investigati the possibilities,

Investigations

un

These investigations showed thal seven radar stations would have to be set up on the sites finally chosen were; the signal tower at Hook of Holland, the FOR KASTEL presenta wo

drainage canal Rosenburg, mend use Living Language Series, the Dirkzwager Building むす (French, Spanish, Hallan, German), Maassluis, the Petroleum Docks, i-Fi Test records, limited editions the harbour at Pernis, the k of Beethoven's Nine Symphonies, Haydn's London Symphonies Ra- docks and the docks at Charlots. ineau's Harpsichord Works, Bach's The station at Hook of Hol- Well

Tempered Clavichord etc.

land can be regarded Ec & Co. 730, Alexandra Hama,

double telephones 30100, 25067,

one because

of radar Dela Indicators are set up there, aste covering the sea approach to the harbour and the other the first

STAMPS

STAMP ALBUMS — “Collections Buder" series. Now took Dow svallable, $3. From South China Morning Post Ltd., Wyndham Street and Salisbury Hood, Howloon,

SOMETHING EXCLUSIVE, Coleo- to packeta of aorted stampe From 20 cents per packet ungward. An entirely jew SOR Bouth China Morning Post Ltd., Wyndhams Stiget, Hongkong

Blood, Kowloon,

NOTICE

"ASTYANAX"

Balisbury

two

36

river section. The operating staff consists of 43 people. of

Inside view of display unit,

there

and in the water smaller spots which change their position.

Interpretation

the

100

are

while the

Netherlands Radar Research Station served slowly

the Cily Counell in an advisory capacity.

When yon hear

ის- suver's Interpretation the radar picture, you are reminded of X-ray photographs which convey so much important in- formation to experts. That's how It is with the rådar picture, and the observers at one particular slation, for instance, can tell you

Cooking Guard

An ingenious home safeguard designed to reduce the danger of burns and scalds in the kitchen was demonstrated in London recently.

two

of

It consists mainly of plates which are attached to the sides of the domestle cooker and project above the level of the cooking surface. Each plate has six slide socirets in which the handles of saucepans rest. In this way the tipping the saucepan by accidentally the handle Is and 5 touching

prevented. Moreover, a

child reaching up to pull down ate saucepair handle often with and co-ordinate, are housed in disastrous

consequences — will the Central Pilol Station

at not be able to move the handle Bulks Rotterdam. There they plot on

more than a fraction of an inch. Defec-a large-scale chart the informa→

FIRST PRIZE

arrived 11th April, 1957.

HWA CHONG

SCW 213

Hong Kong

28 Steel

Blackplate tives.

Endorsed Bill of Lading] No. 28 for the above cargo has been reported lost and notice is hereby given that the said Bill of Lading is declared null and void,

Hongkong, 20th Apr., 1957. BUTTERFIELD & SWIRE.

whom 38 are observers are raffle supervisors. The lat ter, whose function is 10 collate

ล

1

tion received from the radar stations and are thus able Lo The guard, which has won form a clear picture of the first prize in a BBC Television traffic on the Waterweg and in Inventors Club contest, has

ni any the various harbours given moment.

This system constitutes the first chairs of radar stations in the world. Obviously. It has to

exacting require very ments and the specification to which the network

meet

Wis

con-

structed might readily be called

Iow

Exports, dollar

the

been patented in several countries and the question of manufacture under 11cence abroad 19 being considered.

particularly in area are plannet. In Britain alone, some 13 per cent of all falui accidents in the home are caused by burns and a bold one. Industry, however, scalds, and one in five of these was able to meet the challenge | happen to chlidren under five. and the equipment used is The "Crayleigh" Cooker modern that it will certainly | Safeguard' is manufactured by be outmoded for many "Crayleigh" Safeguard Products years to come. As an example Limited, 92, Purkund Place, of the extraordinary possibilities London, W. 1. SUNDAY POST-HERALD that the harbour radar equip. Épsos for commerólal ment offers, let us mention the advertising

should beuse of the "Raplot

"leading whereby guide lines along the fairway- can be made visible on the radar screen so that the portions of

To ADVERTISERS

bóókád not later then

noon on Wednesdays.

not

-1.0.

For the BOUTH CHINA | ships sighted on the screen can MORNING POST and the be judged with amazing ec-

CHINA MAIL, 48 hours before date of publication.

Spealal Announcements and Clamiffed Advertise- ments as ususi.

SOAPY WATER IS GOOD FOR PLANTS:

USE BATH SURPLUS IN THE GARDEN.

WATER IS PRECIOUS

curvey.

Communication

Electronic Stethoscope

Orders worth moto than £1,000 from the United States alone have been received in the past few months for a now electronic stethoscope being It is not, of course, sufficient manufactured in Britain, that observers onbore should be

The stethoscope la designed to able to determine the position allow the doctor to hear only and course of a ship; they must dlso be able to discuss the situa- the sound he wants to hear and shut out others by selecting the

This

for means, that doctor can listen to the beart of

of the Frequence o particular

flon with the ship's captain and plot. For this purpoed portable radio-telephones are used which instance,

a cholee of twelve fre-

offer

Д

quency channels Fight of these poliomyelitis patient in an iron lung with the lung 'continuing

Chammeda arò already necessary

to communicate with the oven to operate, rador tations and of which

It can also be connected to

serves them areas. The on our tape recorder or loud speaker will bocómo ncedukary, when the sydtert & extonded, as it Avila be for lectures and demonstrations. MAN 49 332 ^? | The. "works" are contained-in no a furiate date.

Each pilot taloon

a small, box weighing only 18 a portable radio-telephone with him when ounces, which is suspended he boardly the vec bo has to from the neck, Airsonic Ltd, pilot, the nail serial is clamped 14 Old Queen Street, London, to the rull round the bridge. The SW England

The radar installations WITC supplled by N.V. Philips Tele- communicatio Industrie. The portable radio telephones were

The System

In harbour,

condensate from the turbo-generators is returned to the main feed tank, the trans- tanic and decimrging direct to fer pump drawing from the food

the de-nerator. The do-aerulor then supplies extraction pump water from the de-acrator

ما

the

Water for boiler feed make- up is supplied by a double dis- Weir titation plant with two vertical evaporators, each pro- ducing 60 tons of vapour a day. The vapour from the first byà- from either porator, produced fresh or son water, is condensed in a sea-water circulated tiller and passed to a storage tank. The second evaporator la

the sca-water circulated fed only with fresh water, and its vapour condensed either in dis- tiller or in a surface type, feed healer, so that the heat in the team may be conserved in the

12

feed water.

The resultant distilate is transferred. to the maina de- aerating condenser. Other items of Weir equipentet include four "Robot" Boller Feed Regulators, Oil Fuel Pressure Pumps, Feed Transfer Pumps, and the turbo- generator Closed Feed System. Q, and J. Weir Ltd, (Firm:

Scot- Catheart, Glasgow, S4, Latik)

All-Nylon Carpeting

I

Known as the Rapid Hammer, detector unit where output our feed pump which feeds

A Scottish Arm have produced the tool in

the boilers. In all conditions of selling by the current is indicated on

the La believed to bo sea and harbour service, the de- | what hundred in the United States panel meter. By

noting the aerated condenate is kept above world's arst all-nylon carpeting. despite the

of shift of the plunger necessary competition American-bullt products in this to restore the meter reading to atmospheric pressure to pre-

veat air re-entering the system. Deep red in colour and A minimum the electrical length

closely woven, the carpet should safely device which prevents

The Main Feed Pump is

harder wear than any an give the cartridge being fired unt!! enables the permittivity to

maniifacturers electrically-driven Welz centri- other type, the calculated. the muzzle shield is flat against

fugal, operating at a speed of Bay. They displayed it at the the surface being operated on A measure of loss tangent for 3,000 rpm and capable of dis- recent Exhibition of Furnishing ensures that the bolt cannot the

sample can be obtained charging 213,000 to 277,000 lb/hr Fabrics and Carpets in

Man- glance off and hit anyone, from the difference in amplitude to the bollers at a pressure of made Fibres In London. James Explosive Power Tools Ltd, of the rodected waves due to 775 b/sq k The stand-by Templeton

and Company, Dukinfield, Chester, England. the foss in the sample.

feed pump is a Weir three- Glasgow, Scotland.

MANDRAKE THE MAGICIAN

WHAT IS HAPPE MAND |AND LOTHAR

UP THERE

I'M AFRAID

TO THINK

FERDINAND

NANCY

FLASH THERE HAVE BEEN TEN

BURGLARIES IN TOWN THIS WEEK A

JOHNNY HAZARD

THOUSANDS OF \/ IMUST YEARS AGO WE | REMEMBER-- -PERFECTED PM 500 TIME TRAVEL.

PAYS LATER...

GENTLEMEN AND MISS HAWKES... | MAJOR ALLEN INFORME ME THAT ALL: THE GROUND TESTS OF OUR NUCLEAR" POWERED PLANG HAVE BEEN MET.

SATISFACTORILY W.

CENTURIES

THE FUTURE

be

By Lee Fulk and Phil Davis,

"AT FIRST IT WASHIT ARMI55-- THE "MAN TO GO BACK

IN THE ICE AGE==",

By Mik

ŞON TELEGRAMS:

NOW IF I CAN FIND SOME

OLD PIECES OF CLOTH IN

THE ATTIC

SO NOW ALL THAT REMAINS FOR COMPLETA SUCCESS IS THE FINAL TESTWA NON-STOP GLOBAL HỎI CHẢY THÌ HAY CẢI MỘT STUDY 115 FULL CAPABILITIES M

AND PERHAPS PRVE THE WAY FOR A NEW:

AIR AGE

By Ernie Bushmiller

THIS IS MY DOG'S COLLECTION OF

TROUSER SAMPLES FROM TRAMPS AND

BURGLARS

ŠTÍON 19 GENERAL, CHANNING WHO WILL BYE YOU ON THE FLIGHT PLAN AND PRECAUTIONS

By Frank Hobbina

THERE WILL BE ARANY POINTE ALONE YOUR COURSE WARKA YOU MAY COME NEAR #TOUCHY"

AREAS/ THERE YOU WE RACHIVA FIGHTER 29GORTAS JUST. IN CASE, THE REST WILL

There's More than Magic in

FRY'S A FAVOURITES 4

They

are Delicious

CUTEX

LIPSTICK

IN THE

LATEST SHADES

ROWNTREES

FOR

'A FAMOUS

NAME IN CHOCOLATE

this situation

calls for

San Miguel