1950-06-01 — Page 81

WORTHINGTON

"PUMP HEADQUARTERS”

CENTRIFUGAL

POWER

STEAM ROTARY

MARINE

PUMPB--COMPRESSORS-DIEBEL ENGINES

STEAM POWER EQUIPMENT-CONSTRUCTION EQUIPMENT.

Agente:

THE CHINA MAIL, THURSDAY, JUNE~1;~

ENGINEERING PAGE

Infra-Red lamp efficient source for energy

ANDERSEN, MEYER & COMPANY, LTD. The term Infra-Red should properly be applied to

David House

Tel. 28091

WHY NOT KEEP COOL

with a

GE.C

TABLE FAN

NON OSCILLATING ·

12" only $75

16" only $90

Obtainable at:-

THE BRITISH GENERAL ELECTRIC CO., LTD.

Queen's Building, Hong Kong.

The Lucas Machina Division,

THE THOMPSON THE NEW BRITAIN

GRINDER CO.,

Springfield, Ohio, U.S.A.

PRECISION.

GRINDING MACHINES

MACHINE.CO.,

Cleveland, Ohio, U.S.A.

HORIZONTAL BORING MACHINES

Sole Agenta:-

THE HONGKONG CHINA MERCANTILE CO., LTD.

Laidlaw Building, 20, Des Voeux Boad, Central.

TO CUT HOURS TO MINUTES

IN

PAINT STOVING, PAINT DRYING,

SHOES & BOOTS DRYING,

FABRIC DRYING

USE

INFRA RED

FOR PARTICULARS

ARNHOLD & CO., LTD.

DISTRIBUTORS FOR

METROPOLITAN VICKERS ELECTRICAL

EXPORT CO. LTD.

invisible radiations of wave lengths longer than 7,600 Angstroms (the limit of the visible spectrum of the rod end) but for practical purposes it is generally applied to electro- magnetic radiation producing heat in any medium viewing the radiations.

This radiation is given off by all heated substances, but the Infra-Red lamp is one of the most efficient practical sources for generating this energy as opproximately 85 per cent of the electrical input is radiated.

or

Radiant Energy

Infra-Red can be controlled in the samo manner as visible light, Le, by re- flectors. It is necessary, however, to choose a reflecting surface that gives the maximum possible eff- ciency in the Intra-Red wave- length.

re.

Experiments and experience show that silver and copper are suitable, but for the external re- flectors where protection against corrosion is not possible, gold is the most satisfactory an flecting surface, the type and de- bigo of which, however, is de- pendent on any factors such as heat distribution, maintenance, cost and the type of application, Why use Infra-Red?

1. Essentially Intra-Red saves time. In fact, . as has been shown, it definitely reduces hours to minutes on many production ines.

+

great

2. Processing time is reduced,

often resulting in saving of floor space.

4.

£

stances. radiation is

Cop-

10,

conditions

designed for a

considerably longer life. under industrial conditions. A specific guaran- tes of ille capriot be given as the life depends on many over which the manufacturer has not control, Asu guide, however, the average Ilfo of Infra-Red lamps may be taken us.5,000 hours under normal operating conditions.

Intra-Red plants cart be static or Alted with a moving con- veyor, all interlocked and con- trolled from one panel.

Application to industry,

The diverse applications of Intra-Red heating to industry are well illustrated by the following representative list:----

Processed boards made from pressed plastle material. Paint -- stoving time is six minutes.

Light British plane for Venezuela

Civil

Sure, you've got space

to install a wonderful bath like this

THE NEO-ANGLE BATH-

Consult us on all

Standard

Agents:

PLUMBING FIXTURES

AVAILABLE IN ngn

QUALITY ONLY

"Thin' beautiful new actually provides 'zoomber bathing ones, Job Kia late shorter well logika than conventional baths, Cheese from gleaming white and many, colenza,

match sther' bathroom situra,

ANDERSEN, MEYER & COMPANY, LTD.

DAVID HOUSE

TEL: 28091.

GRANY

POOX00 1

THE IDEAL GASKET MATERIAL FOR ALL PURPOSES.

CAN BE USED WHERE NORMAL GASKET - MATERIALS ARE REQUIRED ON ALL TYFES LC. ENGINES, STEAM ENGINES, COMPRESSORS, ETC.

IT SOLVES THE PROBLEM OF STOCKING DIFFERENT SIZE CYLINDER HEAD" GASKETS FOR GARAGES. TWO OR THREE SHEETS 'WILL MEET ALL NORMAL REQUIREDIENTS.

Two Percival Prince air- International

Aviation 1. The sloving of paints and

Allers on aircraft. These are liners have been purchased Organisation..

In the standard version, eight

STOCKED IN THE FOLLOWING SIZES: stoved in 10 and 45 minutes by, the Shell Company, for passengers, and a crew of two respectively, representing operation in South America. and 400 lbs. of luggage can be 48" x 18" x 1/32′′ saving of about ninety

One is a standard eight-pas-ciles at a speed of about 155 40" x 10" x 1/32′′ cent. over the original methods.

senger version and the other miles-an-tour. The all-metal 35"

carried over a atili dir. range of

9"

$45.00

22:50

16.00

13.50

12.50

7.00

3. The finish is superior in many 2. Paint Steving has been suc- a six-seater "executive travel" high-wing construction makes the

x-1/32′′ cessfully applied to a wide aircraft. They will carry of Prince particularly suited to 28" x 9" x 1/32′′ variety of products such Reials between the Venezue passenger travel.. water heaters, agricultural

In addition the Prince can be implements, niotor car bodies, lan oll-fields over difficult adapted for use as a freighter 20" x 10" x 1/32′′ metal furniture, electrical terrain which makes an air-has been ordered by the Royal 18" x 7" x 1/32′′

domestic PP craft the most convenient room" and as a

Navy

class- components,

a "flying pliances, sections of pre-form of communication.

communication fabricated houses, machinery

aircraft. An example of its var WE CUT ANY TYPE GASKET TO ANY SIZE AND The Prince, is an aircraft satility was shown when a Prince) PATTERN. · ASK FOR QUOTATION.

trolled by reflectors of high emciency, causing the heat energy to be projected on to the object with minimum loss. 5. Infra-Red is available for full radiation the instant the lamps are switched on. There is no irritating delay to heat oven, such as occurs with the convection oven and plants are not consuming fuel during a shut-down perlód.

the

не

in

from

the

20 minuter for castings

Ба

castings, Stoving mes vary ideally designed for short range was recently selected to bo'speel- accordanco with for transport or feeder line work, ally designed for aerial survey material

used,

Built by the Percival Aircraft work. It was flown to Persia example, one minute for col- Co., Limited of Luton, it was where it is photographing thou- lapsible tooth paste tubes, to awarded its full Briils, Certin-sands of square miles of Southern cate or Airworthiness in Decem- Perala for the Anglo-Aranlan Oll 0. Running costs of Infra-Red having dimensions 31" x 8" ber, 1940. This permitted it to Company

Plant are comparable with x 3" and weighing 45 lbs. be used for the carriage of The "Survey-Prince has: " other methods and in many 3. Processing of rubber in sheet passengers, mail und -- freight|| range of more than 1,000 miles, cases are lower.

form,

preheating of rubber throughout the world.

a service celling of approximately prior to extruding, drying of:

24,000 ft, and a speed of trom solution on tyre laner tubes.

90-220 miles-an-hour, preheating of tyres prior to dyeing. In one instance

the process was reduced in time: three weeks to 20

7. Cleanliness Is an inherent feature of Infra-Red plants. There Arc по objectionable gases to exhaust other than the normal extraction from the Articles bebig

Infra-Red

plants can 4: electrically flexible both and mechanically: electrically by suitable switching when

8. Flexibility

dividual

of

In-

full load is not required, thereby reducing running costa; mechanically by adjust- ment of contour of lamps to sult the requirement of any

special article. Infra-Red standard design, but to satisfy the contour of the products thereby resulting in a greater efficiency.

5. The Life of an Intra-Red lamp

must not be confused with 6. that of the general service lamp; Intra-Red lumps arc

SAFETY

minutes.

When miner modifications have been made, it will be the first aircraft of its class to meet the new requirements, of ICAO the

meana

The tankage in the wings has been increased to give a total fusi capacity of 225 gallons: This means that, cruising along at 10,000 ft. with its caméras tura- ing, the... Survey. Prince" bas an endurance of eight and half hours at 155 miles-an-hour,

Special attention was, paid in the design stores to case of maid. tenance and safety. The Frince is intended for use in any part of

times vary from eight seconda) indund is nothing now, yet the world and floats or skit could!

23 seconds printing. for dio-Band

For Descriptive Literature Please Apply:

SOLE AGENTS:

CHINA MOTOR AGENCIES & SALES CO.

Stock Exchange Bldg.

Tel. 25247.

Introducing For The First Time

In The Far East

The WILKAFOON automatic record changer

accordance with density and Drying

-wallpaper colourg "on"

̈ ̈ ̈ ̈ ̈mõistuiv ̈content,” and decorative paper, silk While being by no screen painting, drying of die complete list, the foregoing will starping on letter headings serve to indicate the vast scope and other printing. Drying for Intra-Red lamp heating in for light

and around It is surprising how few industri- be substituted for the normal-un- three

for heavy alists have applied this simple but dercarriage. Its Alvis Leonides printing on silk screens.

effective

means, for speeding up powerplants, give it an excellent Evaporation of moisture from and fimproving, their industrial ideal for dinell airfelds, wil The only record changer that will play both sides consecutively

including half and full processes and consequently saving deal for shell

* Other" satures;===={} hose, raw dyed cotton, impre- them many times the cost of the grass or sandy runways. gnated cotton wool. Drying cost of the initial outlay esult- The versatility of this. air- times vary from three to six a le infra-Rod system. Manu- craff, which started as a private minutes.

facturers of this type of equip venture in March. -1947, has Preheating of plastle materials ment should be pleased to advise

already been proved. In-Vene- zuela, where offeléney: cognomie and evaporation of moisture on this, and enquiries; therefore, oparation and adaptability, count from powders. Times vary in should be directed to them,

for everything, the aircraft will show itself to be a "prince of the air."

MERCATOR

VERTICAL FIRE TUBE BOILERS.

The Right Type of Boiler

for

VULCANIZERS, DYEING & CLEANING PLANTS,

CREAMERIES, BAKERIES, LAUNDRIES, BOTTLING AND CANNING PLANTS

-LOW MATER

out-outs

PLARIN MILLÉ „30 SAFETY

MOLLS FOR

· PUSE PLU

These vortical Fire tube bollers are compact.

powerful, and require a 'minimum spacs.

-100 125 -150 LBS.

WORKING PRESSURE

2 - 125 H.F.

MERCATOR : CORPORATION:

READING, PA, USA.

STOCK CAR

Agents YU TUNG TAI

197

Dapt

with

NEWPORT

Favourably situated on the

1. Will hold 30 records by which an extensive pro- gramına of 60 different music-numbers can be composed.com

2. Equipped with a high fidelity magnetic pick-up,

3. Technically outstanding and simple in construction.

Anyone can operate this lostrument.

4. Two motors used, one for the changing and, ons

for the playing of the record.

TRULY A UNIQUE INSTRUMENT FOR CLUBS, RESTAURANTS, BALL-ROOMS, etc.

River: Usk, Newport har de- Your Inspection cordially Invited, and demonstrations will veloped rapidly in ^récent be happily, arranged without any obligation whatsoever. times.The borough area

Tai Lin Badio Service; 309, Nathan Road, Kowloon. Pacific Radio Co., 82, Des Voeux Road, Central.

was extended in 1835, and it Obtainable from: Is the intention of the authori tips to seek legislation in the ther to the area under their near future to add still fur-

jurisdiction."

A great deal of rebuilding was in hand before the outbreak of 'war, and while some of the plans. have been delayed every...... effort Is now being but » into : prossiy them to completion.

-- It has grown to its present im- portance, in serving the needs of The -Industries In” and around the

Trade enquiries to:-

GEORGE M. LAU & BROS.

Bank of Canton Huilding,

town as well as the considerable WEEKLY CHINA MAIL"

sur

agricultural ***

* frade: of, the rounding district, while the fact that it is the nearest point to the

·English Midlände is 'in 'Its favour, › Both, importa and exports) have continued to mount up, and while at one t time the outgoing cargoes vero mainly of con}", or stool, today the ships are taking 'manyam olher::: products, among which are considerablón tonnagra [from, thà cnéwer ¿^ factories {worki÷that” have:been stablished

In South,

CONTAINING ALL THE LOCAL NEWS

OF THE WEEK FROM THE "CHINA MAIL” G “SUNDAY HERALD"

Price 60 CC