1949-08-25 — Page 10

THE CHINA MAIL, THURSDAY, AUGUST 25, 1949.

ASK

JACKS

ABOUT IT!

AND

GLAZING

COMPOUND

in tubes for glazing

SEALING

COMPOUND

for sealing metal frames

to masonry

William Jacks & Co., Ltd.

207. Priner's Bldg.

Tel. 22392-

COVENTRY CLIMAX

fork trucks

THE COMPLETE

HANDLING

SYSTEM

SOLE AGENTS:-

.THE JARDINE ENGINEERING CORPN. - LTD.

TEL. 30311

ENGINEERING PAGE

Display Of Aero Engine

There will be equal numbers at piston engines and gas tur- hines on the stands of the "Static" section of the biggest air display held this year in the UK.

USING SEAWEED IN TEXTILE MANUFACTURE

By DR. J. MENKART

In research, the result aimed at does not always »

materialise—it would be dull wark if it did. Quite often, however, an unforeseen but valů. able outcome is achieved instead--and the skill of the investigator consists, to a large extant, in the ability to recognise the value of the unexpected when it crops up.

The display which opens on Bogdaniber 7 is given by the Enciety of British Aircraft Con- | The struction and 24 different types

rugines will be represented. "Nearly all the now engines to be ren at the display have cleared the experimental stage although cur exhibit.. proteus turboprops, I not yet flown. This engine which will power the Recond ver- stol of the hig **Brabazon" bir- And the sul larger

story of the boat is reported to

"Prin.

New Xpelair Window Fans Here

Bull

១៩.

TO GILMANS

FOR

Be Everything ELECTRIC

AGENTS FOR

ARMORDUCT CABLE CO., LTD.

Rubber Insulated Cables, Lead Covered Cables and Flexible Corda.

BURCO

-'

Vitreous Enamelled Electric Wash Bollers. KENTEROS. ELECTRIC WIRE.CO.

High Conductivity Copper Instrument Wires. HIGGS MOTORS

Electric Motors and Motor Generators.

KNAPP-MONARCH APPLIANCES

Electrical Household Appliances.

UUMALAMPAK & BRITISH LUMA

Metallic Steel Conduits and Fittings.

Incandescent Lamps for Gastral. Lighting Service, Motor Car Lamps and Mercury Vapour Lamps. on the same lines

METALLIC SEAMLESS TUBE CO. the original model, the GEC of England's new plastle Xpelair MK. ELECTEIC LTD. window fon embodies various)

which combine improvements to give it an outstanding per-

dévelopment in Britain'of alginate-rayört· is 'an ~~ example of investigation which produced a result different from that originally aimed for. Alginie Acid ta substance strength is due to the interlacing chemically similar to cellulose) is of the threads rather than to the the most valuable organic con- twist in the threads, and a cloth stituent of seawood; it extraction composed of twistlere yarn con In the Intent chapter in the long artually be stronger than a sim-formance.

attempts made to ilar one made of yarn containing use as a source of raw material twist. the vast quantity of neaweed available on the Western shores of Scotland and Ireland.

Co" flying be giving more than its designed power an unusual achievement by a pew engine, Another engine turbo- on display is the protans props kin aman. the "Theacus" which is already making a first reputation for itself in re- superster and needing far less attention than comparable piston engines on the same service.

The intent exhibit is the "Double Manba"

which com hines two

crate and distinct A revival took place with the "Mania" engine euch

with its discovery of iodine, but after the ww fuel, lubrication and control first World War the competition systems and reduction gear.

of the Chilens nitrate industry, Euch drives one of the two which gains iodine an a by-

proveit too propellers and the product,

strong. trarotating prope obtained Is Finally, in the 1930's, the extrae principal advantage the low fuel consumption when tion of alginic acid on a commer. Cruising at low power and excrcial senle was begin, tismally good power to weight i

satin when both engines are run- at a high output. Either Intune can be shut down anct Posted without interference with the other.

Oil Firing Increases Steel Output

In the manufacture of fancy

threads fulfil yarns, solable useful Innetion. There

A

yarna

binder

Once the yarn is woven into the fabric, the role of the binder Is completed, in fact, its presence of the rifect. may prevent the fult development

As with the original model, it fits lato the glass of a window

nnf without simply

mess, making it eminently suitable for

is

In the 18th century, solfum usitally consist of three parts premises where the occupier may wax induced from core thread, one of more effect be disinclined or not permitted to carbonate kelp (seaweed ashes) on EL can-throads or slubs, and

interfere with the wall structure. aidetable scale, but the industry thread, which is added to prevent was killed by leblanc's invention slippage of the effect along the

The complete unit, which core and to reduce the bulk of the axed in the of a process for obtaining soda

window gloss by yarn.. from salt.

of a means

rubber cushioned clamping ring, consists of an ex- traction fan of 7% ins. diameter housed in a neat circular cosing ntted with an external cow to } render it weatherproof.

Casing and cowl are a plastic roulding in chocolate brown. Havine given some indiention of ) In the past two of the chief the sepe of soluble yarnx incriticisms lovelled

against alec- ornamentation, we can turn to Irie fans have been the noise and In this new model. their other us:that of simplify-vibration. ing manufacturing techniques.

Alginato Binder

Alginic acid and its derivatives are used for making transparent filing and as emulsliying, getting or thickening agents in a number

One example is found in the ar industries. in the early part

making of koop fabrics, such as. of the second World War, AN

imitation astrakhans. To produce examination Was made of the potentialitics of alginie neid ng a

a special complex loom is these.

two Hubstitute foar cellulose in thermally required, with

warps and wires to hold the loopa. production of rayon.

The effect can be closely imitated by making the loop yarn in the same manner as a fancy thread, weaving it into the fabric welt- wayn, und releasing the loops by remoing the binder.

The work failed in its initial ubject, because most of the yarns found were

and ton coloured harsh. Some of them were non. inflammable, and found use for war the most interest-

however, was cal A North of England steel ing

cium alginate rajon. which is brought firm bus in the past 12 months cutrons when dry but awells

nervased finished steel produc-ite

and wenkens considerably in tien by 40 per cent on the prevens gear wil employing Cater and dissolves completely the sunat labour force.

The achievement is attributed 4to the fact that the Company went lover to off firing in this period which, with the continuous opera- tion of steel furnaces, -mado pos- sible an increase of nearly 50,000

a weak alkali, such us a soup solution.

Enlarging Scope

A saving of labour has been about by the we of

..

tas in the output of steel Ingotechnologist, particularly the wool courses by cutting must be done mounted by the provision in the

The Company is now to install a new continuous bar mill which will be one of the most modern of its kind in Europe. It is ex- pected to be completed in arce

yours.

alginate yarn in the production of scamlesS socks. Socks are

a continuous tube; several rows of inchine knitted in the form of dilute parting

courses are normally put in between successive Books, and these are cut through and ro- The GEC's new plastic Xpelair moved by hand to give a clean window fan its into the window welt at the top of the sock (the glass like this. No structural al- Sulubility in somp may not, at open toe is closed on ✡ linking terations are necesury. first sight, appear to be a suit-machine). able characteristic for textile material. Nevertheless, the textilo The removal of the parting however, the fan is resiliently technologist, has always realised with care to leave a clear, un-cusing of four rubber cushions to the potentialities of readily frayed welt and to avoid wastage. I receive the fan arms. Thus noise

The dificulty is overcome by knit- and vibration are eliminated. ting in, between the two socks, a few separating courses of soluble Stole air yarn. Only a rough out is needed rate of 230 cu. ft. per minute, to effect separation, the toe ends this performance being measured pro linked, and the socks go on to by the standard method of test! be washed in soap to remove the as laid down in 135848/1930. rpinning oil and to dissolve the Thus the advent of enlcium alginate yarn, leaving a perfect alginate, a cheap yarn readily welt at the top of the sock. ・・ dissolved away in the ordinary

movable yarns in enlarging the scope of design; interest In the subject has been limited by ex- pence and difficulty of handling the availabic chemically remove able materials, cotton and cellu-

In extracted

at the

Multi-contact Electrical Accessories.

ATULTICORE SOLDERS

Solder Wire with 3 Cores of Non-corrosive Ersin Flux, NATIONAL VARNISHED PRODUCTS CORF.

Flexible Insulation Waterproofed 'Fabrien-Coated Silks Specialty Coatings Varnished Tubing and Saturated Sleeving Extruded Tubing.

Light

PHOENIX TELEPHONE & ELECTRIC WORKS LTD.

Domestic and Intercommunication Telephones, Signalling Systems, Electric Bells, Wires, Cables and Accessories.

PRENTICE LTD.

Tron-clad Switch Gear, Distribution Boards, Bus-bar-- Chambers, Cooker Control Units and Angle Iron Switch Boards,

VENT-AKIA

Exhaust Fans and Intake Fans.

GILMAN & COMPANY LTD. ELECTRICAL DEPARTMENT

Gloucester Arcade

Tel. 27017

U.SPALINGER& CO.LTD.

WIRING DEPARTMENT.

ESTIMATES SUBMITTED FOR

DOMESTIC & INDUSTRIAL ELECTRICAL INSTALLATIONS.

Supplies:

STERLING CABLE CO., LTD., BERKSHIRE.

T. R. S.,, V. I. R., P. V. C. & Underground Cabies."

BILL SWITCHGEAR LTD., BIRMINGHAM.

Switch & Distribution Gear.

SEAL CONDUIT CO., LTD., LONDON.

Electric Conduits,

·TELSEN ELECTRIC CO., LTD.

CONTACTUM LTD.

Accessories.

POPE, VENLO, HOLLAND. Bulbs & Fluorescent Tubes.

NICO LIGHT ENGINEERING CO., LTD:, LONDON.

WADES METAL SPINNERS LTD. Domestic, Marine & Industrial Fittings.

Another UK steel firm has an- nanced that it is dispatching to Australia u complete cold steel

eloso acetate. rolling mill that will be the largest of its kind in the Southern Hemis are

One of the chief problems with It was built for the Com-

fans of this type has always been Holling Mills, and the welch

of fimm the air through 90 degrees New South Wales Railways have course of processing, has made

Thus, the work which originated at the cowl without serious loss had to build specially n

In this case the air Phone: 32185. 70-foot possible a number of new deve-in an attempt to find a substitute of volume. long 16-wheel truck to carry the lopments in all sections of textile for cellulose rayon has made It is conducted smoothly by two giant-87-ton housings from

manufacture.

possible to produce light weight blaation of an impeller giving Nylney to Port Kembla. The

wool fabrics and has increased partly axial and partly centrifug- entire plant will weigh 626 tons. As soluble alginato. yarn was the efficiency in the manufacture al discharge (a mixed-flow im- discovered In Britain, British of wool socks and nylon stockings, peller) and a carefully propor- technologists were the

first to In short, a new weapon has been Lianed cowl having a midvane. exploit its commercial possibili added to the armoury of the ties. These can be classified, under textile technologist) two hendings!

BUILDING SUPPLIES

"TURNALL" "CRANE"

"YORKSHIRE"

"CEMENTONE”

"PUDLO"

"HEATRAE"

"EXPAMET" "A.1." "FOAMÍTE

"NEWALLS" "OZONO" "FALCO"

STOCKS AVAILABLE

"ELECTROMATIC"

"RELIANCE" "PHILPLUG" "LEE HOWL" "HURSEAL". "RUBBERLOCK" "CRITTALL”

"CHATWOOD"

Asbestos Coment Products. Boilers, Domestic,

Copper Tubes & Fittings. Cement Colouring Powder. Cement Waterproofing Powdor Electric Water Heaters. Expanded Metal.

Fire Places.

Fire Fighting Equipment.

Insulation: Heat, Cold & Sound. Ozona Generators.

Oil Cooking Rangos.

Oil Burners, Fully Automatic. Oil Burners, Range. Plugging Materials.

Pumping Equipment.

Radiators, Oil Loaded Electric. Rubber Flooring Tiles. Windows & Doors, Motal. Vault Doors & Safes.

DODWELL & CO., LTD.

"MACHINERY & CONTRACTING","DEPL

Hong Kong & Shanghal Bank/Buil

Hong Kong

(1) The production of new fabrics and effects!

(2) The simplification of manu- facturing methods of existing materiais.

Experiments To Control The Weather

a com-

Loss of air caused by the cowl

is only 812 per cent i.e. from 240

t 230 wu. ft/min.

·

ENGINEERING

3A, Wyndham Street.

EQUIPMENT

COMPANY LIMITED.

Hention Apparatus, 'Bollare, Madiators, Mtu ·

Agents for:

Since the consumption of the THE BEESTON BOILER CO. LTD. AC model is only 25 watts the service value is 9 cu. ft./min. per wath

Of the first group, the applica- tion which has mehloved the. widest commercial development to date is the manufacture of light- weight wool fabrics for uado such Experiments being carried self-aligning, self oiling as evening dress wear, blower or,ut in Britain point the way, to bearings,

acarves.

the possibility

Yet another advantage of the new model is that the fan motor which in tesigned specifically for this unit, is fitted with SASO sleeve These are silent and provide extremely efficient lubri of controlling cation with a generous

Tho intrinsic properties of the the weather. Attempts to cause against neglect of oiling. wool fibre-particularly, its ro-Frain by using special chemicals silience and moisture absorbing

capacity-make extremely suit have been successful.

able for this type of material, but The shortage of water, caused

BLANEBOROUGR & SONS LIMITED.

Blento, Water & Oll Valves, BOOTH

*REOTHERM, JOSEPH RODNEY.

Bandard Steam Travelling

Jib'Granes,

Bellway Breakdown & Main

"Line Type Oranes, « "Railway & Warehouse Fixed

Graaw, CLARK + ':CHAPMAN

LIMITED.

*

COMPANY

Bloem & Electria Karina

Winches.

reserve

A cream model of this plastic

tan will be released later.

..

·

CLYDE" · CRANES, & ENGINESRING

CO. LAD

1

This fan is manufactured by Its use for this purpose has, so by this extremely dry, hot summThe General Electric Co. Ltd of for, been limited; because, mer prompted the firm of Im although very fine wool yarns can f

Pulverised Tuel Equipment,

High Pressure' Steam Bollen.

Lưung in Hadlar Asillanion for Ble Works Bhipyard Harbours, Moska -&--Genessi (Purposes, “ The" British, General Electric Co. be spun, they are too fragile to perial Chemical Industries tongland, the parent company of

„COCKBURNS LIMITED. mi thoan experiments. They be woven or, at any rate, woren have been carried out with coace.

Ltd. of Queen's Building, Hong

Safety Valves. All Ärpen have

Walvon for

Pressure Bikam Installations,

Trip

economically.

operation of the Air

Ministry's

· Goversion ~~

Gent

High

Vadergency

of

coBSÍKY BROTHERS LIMITED,

Marine. Blokker? @Azxillary |

· Marine Diesel Enginta.

By doubling a fitie wool thread Weather Forecasting Service and with a carrier thread of calcium Royal Air Force-pilots. Saltable.

were watched shower. The observers stationed alginate rayon a two-fold yarn cloud conditions capable, or ving without, differ by the teorological Station on the ground reported that the culty in produced. Washing, the and the ICI experts worn notified rain developed some five minutes fabric in soup then removes the as moon is those somed likely for the chemical had been drop-0008 MINNES JAMITED. alginate, and an all wool fabéle, to occur. remains.

If when doubling the alginate and wool yarn the twistle in

ped

Vollowing this... Initial" experi-] ¿Planes fitted with containers holdering about 300 lbs. of solid (ment a second test was made willi than diazide to which 101 gives a larger quantity of "Delkold.." This was dropped in the clouds at Baren minates fost at the top, 19 minutes

| norted' in ' thé. Épporita direction | thaƐzínen">%DX1köld" wero kenë:30 |allalerozed by: some 500]|

to shash tho slágle meot, khrady

zhndlifiona mtete airBald Andor later Cloud the latter can be left completely chemical wes dropped into

નેહાના હે

The resulting and watt handlin

bria is fustrous'

slis

this a rainbow

WAN KOON.

Mit Pingismeinara, Nauliem), - Imatrik

*bata, "Radar Navigaizen.. DRAYTON" REGULÁTOR COMPANY

LIMITED, ENES “Temperaturen Begulatory,

aloud formations at a belght of was caused by the sud stridig, HONGKONG. &

hayain which, was falling

the pilot flaw" from the clouds: into, which the shaved and inatia sharp - chemical bad bean dropped tak

«Berulatora.

NGHAI

DRYSDALE & COMPANY LTD.

Centrifugal pumpe.

HALL & CO. LTD., 7. A' Eg

Refriarsting Maskinery. HARTLEY AUGBEN LIMITED,

Butters Calúriféru,

BASTIE & COMPANY LIMITED,

Steering Gene

KENT & COMPANY LIMITED.

Water Motors, Steam *Meters, 01 Maters,

Car Materi,

Motors'

Multileo Controllon

LEEDS ENGINEERING

LIC CO. LTD.

HYDRAU

High Pressure Hydraulle Valves, Hydraulic Machinery & Pressos LOCKWOOD CARLISLE & Co.

LTD.

Piston Mags & Springs, BHANKS & COMPANY LIMITEED,

Bahilary Equipment.

STREAMLINE FILTER COMPANY.

.Filters for Oll Parineetion; · VULCÁN · FOUNDRY LIMITED..

Locomotives.

WALLAGE & TIRIMAN. LIMITED,

Chlorinators.

........ Anumonfatoes,

Dry Chemical Fonders: -

WEIR`CATHCART LTU, E.

Feed Pumps,

Kalapatna. Flante,

··Xnádorators, 3