1956-12-17 — Page 8

CHINA MAIL

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HONGKONG

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Azteriar

DEATHS

KINTOSH - A

Jekathaenalize

Englesch

Alexander

25

THE CHINA MAIL, MONDAY, DECEMBER 17, 1956.

SCIENCE & ENGINEERING

JUTE THE FIBRE

WITH A

HUNDRED USES

By S. H. GORDON-BOX

IT is almost certain that the bread on your breakfast table, the vegetables and even the condiments on your plate at lunch, the sugar in your coffee and the coffee itself have been transported and stored in jute bags or sacks. And it does not stop there.

his

The carpet or Inoleum you allowing 11

of

contenía

to

are walking on has a jule cloth "breathe. But even with foundation," and your arm-chair these virtues continual research jute must be carried out to widen marry Yards s

beneath Its smart its uses and to make It serve material exterior of velvet or moquette, its users better.

In fact, if it were no for

Jute, we should all find life a lot more difcult than it is, for up to now there is nu complete and adequate sub- stitute to take its place.

FIRE-PROOFING

Before I left Dundee I pald o short visit to the laboratories of the British Juto Trade esearch Asociation. There 1 dow B few of the problema

which unswer have been

Jule in its original state is a vegetable fibre obtained

from to the bark of a toll, reed-like found. plant grown in Pakistan and India by thousands of peasant cultivatora The total annual ved T-

from approximately derick

Mack293).

the Is 1,250,000 hectares Lid

In of Mackintomis k jounder Hongkong, in Decrcolor 1900

region of 10,000,000 bales, und 05 per cent of this total comes from Pakistan.

In a rather

FOR SALE

RECENTLY ARRIVEDI Drapery materia English pottery, Danish tiassware, Dutch wickerware anặ glitware, Duval, Various attractive

Lid. JB Garden Road,

USED Gerpati denial X-Ray, Wan Sha Street

10 12 1000.

Telephone

MUSICAL

47

L'

FOR CHRISTMAS GIFTH LIVE Jourda by meal of Gift VouchJEMER. Received Bing Crosby, Al Jolson, Segovia, Burl Ives and viher Devca D. E, 760. Alexandra recurde Job, telephonies 30105, 35057,

POSITIONS WANTED

COMMERCIAL

BISCUIT SPECIALIST and engineer verka executive portions Exiramive kanwledge of equIGTER productions develop. methods, meciaatimatiun,

net of extensons planing of new factories Brush and U.S.A. EX-

"Liton perience. E. Wilson). Sudder Street, Calcutta, India,

PREMISES TO LET ISLAND

1

MODERN APARTMENT at 84E Mac- Donnell Homi. Jarge YERDJICA): WE beautiful 200 view

pleasant

a

but

Fire-proofing, which not only Improves

weathering qualities

Its Increases

be resistance to abrasion, can carried

out on a very largo scale, for coal mines, which

HER! need about 4,000,000 metres of cloth annually, for rick covers, railway wagon covers, and for scenery for theatres and

Alre

whirlwind tour of Dundee jute mills recently I watched the bules of com- sela, pressed jute fore being trans- formed from blocks inlo

brown harsh

cloth woven

different

Weaves

and

A Metropolitan-Vickers mass spectrometer, type M82, in use at the Atomic Energy

measurementa Iesearch Establishment, Harwell, for routine isotople - abundance

Bod analysis. Every research and production establishment in the United Kingdom Atomic Energy Authority now employs one or more mass spectrometers made by Metropolitan-Vlokers.

Rock Drilling Equipment For Argentine

pressors

This compressor is powered by a Perkins PG engine,

-

Britain's Contribution To Development Of Ferrites

FRANK CLAWES

PROBABLY few people could, if challenged, say what ferrites are, but few people, too, in Europe and America at least, do not possess some or have never been served by them.

Ferrites pro

particular scientific developments depend species of magnetic material. upon high frequency electrical Now magnetic materials have currents-particularly the whole

bera long

known and used. range of madio television and - The earliest Chinewo civilisa- radar Hence the importance tions are believed to have been of ferrites, acquainted with lodestones and

#

the great sea voyages of So much for what ferrites modiseval European merchants are. What are they used for? wezo mudo possible by

anyone who has crudo W), magnets of This kind, These television set has some ferrites. "natural"

magnets were Used around the nock of the metallic

the the conducted tube

ferrites focus clectricity.

beams which produce the pictures.

and 50

The now materials-fertiles

artificial ~uro

compound of ferric oxide with the oxide of another suitable methi; ma13-- ganese, nickel, and zinc Bru

commonly most

Tho used.

Ferries should soon help to shorten the length of the tube an important step because it is the length of the tube that now largely governa the of the television

forrites have the samo magnetic present size

cabinet. properties as th

the old lodestones

but,

ono

in addition, they have a Looking further ahead

realstance to electrical could forecast the eventual

This resistance they replacement of the cathode ray owe to the fact that they are tubo for viewing it only not metallic; they are, in fact, ferrite transparent to High: a ceramic material, very hard, could be evolved, and

made up of tiny cube shaped crystals,

Current Losses

Now it is procisely in pecullar combination of perties--magnetlo on the hand and insulating

this

Ferrites ATU also used

In

digital computers or electronic brains as

sometimes they are called.

such 13

the

Computers pro- "Pegasus" or "Mercury" models one have thousands of ferrite rings the in each matrix

Each ring can other that the great value of memory cell the ferrites lies. For as soon as be put in a permanent state of you want to make use of the registering "yes" or "30" to a magnetism of natural magnetite signal and the Information thus stored can be read off by the in an electrical circuit you are

process of faced with the problem that you simple

current

seeing have got conductivity be well, electric

what happens. For certain purposes this may not matter and for others it may perhaps be Insulation. 13

overcome by

passing an and

For Pocket Radio

The F80A compressor has a piston displacement of 384 13 (11.10 m3) per min, and a free nir delivery of 315 ft/min at 100 lb/in2 (8.9m2 at 7 kg/cm2).

driven by This model is Leyland 0000 diesel.

But if the current is operate Ferrites can also be used in The equipment is being used

at a high dvil

frequency the midget radio receivers. Thanks engineering work, ing

road problem is not so easily over to the discovery of transistors quarrying.

than likely in place of valves pocket radio more construc-come; it is making, and bridge tion and repair,

An order for

nearly anti-Peronista revolution broke Rot proofing is a more com-

existed some doubt pileated technique for it has £500,000-worth of air com out, and

industial pro- the whether to be done with regard to the

and crops or

ancillary produce with

gramme would go forward. which

obtained the bug comes into contact, In equipment was

However, the IAPA is moot lis coruitments, after The processes, to the layman, the samples i saw several anti- last year by The Climax ing are not unlike those employed rotting solutions

down and being Rock Drill & Engineering which It will close were in the manufacture of woollen tting out

Works, Ltd, from IAPA, future buying will be restored cloth, except that the machines

New machines wid

to private enterprise. new the

Govern- Argentine have been specially designed methods and

for 65 continual

The main order is official for the harsh and enormously research have

buying

type C40A and 200 FB0A port- meant that in ment's

for strong jule fibre.

in the able ur Jute spinning alone the output agency,

much compressors, and the softened per man has increased by

ireneli 37

includo industrial ancillarica state-sponsored

pumps, stopers and drifters per cent during the past seven

Jute, which has long expansion programme.

The type C40A has a pleton In a been one of the world's great

of Before the order, which was displacement 107 1 (8.57 free tr won against strong competition maj per min, with a fine commercial fibres, possess today a greater versatility than ever

the US, Germany and delivery of 180 ft/min at 100

be filed, before

Sweden, could

lb/in2 (4.52 in 1 7 kg/cm2).

•

of

The Abres are first and then titl through 朝 number of cording machines years. until the jule flows out

stream Pontinuous golden hair-ke the tresses of well-groomed Alm star. Later on

it is spun into yarn various thicknesses, and when it has been through

Larch solution and eprefully tried, it is ready Lo go to the weaving shed, where the newest automatic looms, both flat and tubular, weave yurn into miles of jute cloth of marry widths and textures.

MODERNISATION Incidentally since the

garden, 1 willing rooIA. 1 dining room, 1 large bedrvena, 2 both- COUSIN, Pervana' ruta and W... E

an Paenger and installation complete

For more particulam ring Me P. S. Chung of Cheong Lee Construction Ch 34 710477. From 1-0 m.

service t

NOTICE

VEHICULAR

FERRY

SERVICE

enormous sum of

the

war

money

has been spent on modernisa- tion throughout the Industry with the result that Britain is now In the forefront of the world's jute industries for efficiency and production.

Ala D

later stage of my four Bw the jute cloth

belug turned! into many different

kinds of sacka and bags.

had an impression of

The Vehicular Ferry Serveritably endless flow of cloth vice will be extended up to being cut into lengths, or seam

3.00 dates:--

.m.

second

stitching of many The following done with

types being lightning speed by bundreds of

machines, and of huge natu

of sewn bags passing one by One every

the through printing machines where they received the stamp, in as many as four colours, which proclaimed their ultimate

purpose

sugar. fertiliser. cattle poultry, food, feed or dog meal.

CHRISTMAS---- 24th, 25th and 26th December.

NEW YEAR'S EVE- 31st December.

THE HONGKONG & YAUMATI FERRY

COMPANY, LTD.

Hongkong, 16th Dec., 1956.

To ADVERTISERS

The qualities of jute which have made it the Dork's principal carrier may be summed up in the virtues of the ordinary Jule suck-its long life, ease of repair, its ablilty to stand up to heavy abrasion, the rigours of ils quality of

BUNDAY POST-HERALD | weather, and Space for commeroisi advertising should booked not Inter noon on Wednesdays. For the BOUTH CHINA MORNING POST and the CHINA MAIL, 48 hours before date of publication.

Opeciat Announcemente and Clamified Adverties- · menta as KIBUE ..

than WALL MOUNTING

AUTO-TIMER

H. K. S. P. C.

Noodo financial support for the sake of poor 'children

Please) address" communion- tions: Sepretary, Hongkong Society for the Protection of Children! PO. Bos 2503 Hongkong,

A new, allractively styled, Wall

Auto-timer mounting which gives full time control of thermostatically controlled ovens in all types of domestic electric cookers has been. In- by the trodgoed

General Elcotrio Co, Ltd.

By means the of a synchronou Auto-Hiner will the

housewife's absence, control coolting in the oven over a maximum perfod of up to twelve hours. A 28 amp con- trol switch, mechanism with every facility for easy wiring

Supplied ins provided.

·Honeysuckle or white porce laf enamel, it has « Gverall

dimensions: width 7 in,

Is

814 in, depth: 4 in: (koeinatna

from

MANDRAKE THE MAGICIAN

MANDRAKE CHASES

THE ENEMY AGENT--

FERDINAND

NANCY

BINKS DEPT. STORE

WHAT HAPPENED,

NANCY ?

JOHNNY

HAZARD

SPIŠMEMILLE

AS TARK SHOVES THE THROTTLES FULL ON THE MUSHITY TURBINE GREATES A TREMENDOUS SUCTION AND

GOODBYE, MR HUNTAIRE ROS.

I AM FREE TO ACCOMPLISH MY

MISSION HERE IN AMERICAT

use

the

WHY DID HE CLIMB UP HERE?

Suori

SANTA CLAUS

FAINTED

SHAAP!

HE CAN'T JUMP FROM THIS SPEEDING TRAIN. WHERE DOES HE EXPECT TO GO? HOPE LOTHAR'S HOLDING

THE OTHER ONE.

on

As

Climax equipment is already losses

OT there Argentine, current) well known in the

ngents skin effect (a reduced company's where the arc Mertx Argentina SA of impedance to flow).

courge

meny of Buenos Aires.

By Lee Falk and Phil Davis

YOU SITI

THAT KID JUST

TOLD HIM HE DIDN'T WANT

ANYTHING

| WILL--} WILLI

IF ONLY HE

GETS AWAY

PACKAG

By Mik

By Erale Bushmiller

that there will be eddy current sets became possible but

(losses of induced andios

aerials require

and will be pocket radio could be given

Burface either an

that efficient serial But, of was too large to carry in the newest pocket or an aerial that would go in the pocket but Was for from efficient

the

There's More than Magic in

FRY'S 4

They

are

"FAVOURITES

Delicious

FROZEN FRESH IN THE COUNTRY!

Libby's

FROZEN FOODS TODAY!

ROWNTREES

name

Chocolate

San Miguel

Ferrite serial rods, however, can offer both efficiency and a" sízo commensurate with real pocket radion,

There arc countless other uses in radar and, of course, many secret applications in the sphere of guided missiles,

What is clear is that tho possibilities of this traordinary material are by no means

exhausted and it will bo a principal aim of tho corylation to throw light iba avenues of study along which research work is proceeding.

ja

The manufacture of fortiles

*

matter of BOTO economic significance. Because icsrite are not clamlitable components in the conventional senso it is difficult to assess their monetary worth.

But one British arm alone is producing ferrites in hundreds

of millions a year (it must be remembered that д single mernor celi might contain several thousand ferrite rings), and o useful expert trade is being bulit up.

ANDREWS TOLEDO CENTENARY

This year

Andrews Toledo, Lich, Sheffold

alloy steel---- makers in the Darwins, Ltd., · group, cclebrate their centenary.

Since the founding or the firm in 1860 by J. H. Andrews, the firm havo been well-known exporters of steel and estrel producía. Andrewn Toledo, Ltd., was formed in 1920 and amalgamated with Darwing, Ltd.; 'nine yvoru later,

The Toledo stoels themselves cover a very wide range. They Include carbon nickel, chrome.

kel

TALOTS. molybdenum, manganese molybdenum, nickey' chromi and nickel-chrome-analybdenum steela." Others: are grouped, by application

fridlog,

volve spring file and stainles steels.

In general there

For

parlay

road

highly-stressed

[such as, those vehicles," generators, high-prem br. atomic plant; many of them come Specification