1950-08-10 — Page 10

THE CHINA MAIL, THURSDAY, August 10, 1980.

GENERAL ELECTRIC

U.B.A.

For all Industrial Requirements

G.E. MOTORS & CONTROLS

Agortat

ANDERSEN, MEYER & COMPANY, LTD.

DAVID HOUSE

TEL: 28091.

Marine DIESELS

10 S.H.P.

to

1500 S.H.P.

McLaren 120 S.H.P. 1000 RPM Marine Engino fitted with 2: 1 Reduction and Reverse Gear available for shipment

in 4 weeks.

Patter 10 S.H.P. 1500 R.P.M. Marine Engine fitted with '2: 1 Reduction and Reverse Gear available ex-stock.

Agents for mone

ASSOCIATED BRITISH OIL ENGINES (EXPORT) LTD.,

ARNHOLD & CO., LTD.

HOLLAND HOUSE.

TEL.-28138

HUME

"HUMESIX”.

ENGINEERING PAGE

the

As almple to operate as a house' telephone is new radio telephone sat which has been developed by a London firm. It is entirely celf-contained and can evally be installed in the Emallekt cabin. An added advan- tage is that it can be operated by any of the crew, from the skipper to the youngest deckhand, without having to rely on spatially trained operator. The equlament

onulata of transmitter, receiver, power unit, speaker

control, all rigidly mounted And

The single compact Cast separate units in a sing

total weight of the

"Mermaid," n the set is known, is ninely pounds. The set is particularly easy to service and necessary spares can be fitted without extensive dir- mantling, Thiɛ' picture shows a young deckhand pring the "Mermaid” radio telephone equipment.

#

New words and

music" equipment

Designed for use in hofols, dance halls and similar places, the General Electric Company Ltd., of Magnet House, Kingsway, London, W.C.2, has recently produced a largo automatic radio-gramophone assembly.

It is of high power output with self enclosed loud- speakers, external loudspeaker output ter- minals and external microphone input ter minals.

Building up rock crusher jaws

with Amsco bars

Building up worn-out Crusher Jaws with Manga- nose Steel Welding Electrodes is vory wasto- ful in electrical current. A moro economical method is recommended by the American Brake Shoe Co., (AMSCO), the largest mak- ors of Manganese Steel in the world.”

This method consists of building up the jaws by welding to the old jaws Manganese Steel Bors which could be, depending on the job, round, square or triangular,

The welding procedure is slightly different from ordinary mild stoct welding and a few points are worthy of note to the numerous icenl quarry owners:

1. The parent or base metal hould be ground and wire- hrushed to remove all cracks.) oxides and diri. Manganese stedi castings, such as frogs and cross- Ings, even without" surface du- frets, should be ground down be-

↑

@ketch No. 2-Method of tacking on filter barn.

homegenteux bond betweca

low the extremely work-linrdienet these two members. suface which has a metal sirue. ture different Trom the main body uf, the casting.

Two-inch weld

2. 'Heavy mangonese steci cast-iden, as indlented in Sketch No. 8. Dack-sp weld on alternate ings should be pre-heated, to 3. The first weld should be about

(73) ALE

dat atzin

Sketch No, Long filter bare should be notched.

prevent checking. શ્રેષ્ઠ belween 150

and 2500 but never ova 300 F., as prolonged heating at temperatures above 400 has a properties of 14 per cent man- detrimental effect on the physical

anese steel. There is a Garrard whit

Pre-heating

The apparatus is capable of The radiogram is described as handling high quality speech and a "Club" model and is fitted with music und. Incorporates full 30 watt output ambliner cap- public address facilities in Habla af feeding 6-40 loud- cabinet which has the style of speakers. high grade furniture and includes automatic record changing space for record storage,

with a miniature high didelity plek-up. If desired a 60 watt amplifier can be supplied

3. Cast iron or cop-

carbon steel able of feeding up to 80 loud parts should be pre-heated locally speakers, Provision i also to 400 F with gasoline torch, made for three external speaker units controlled by keys on the control panel.

The design has been arranged to allow alternative radio chassis to be fitted into the cabinet, The equipment can be supplied com- plete or in basle units for local sembly overseas in cabinets mude from foreign

Woods and chosen to fit customers' decora- tive schemes. When the cabinet manufactured overseas ៨៨៩

is

loud- oil burner, or oxy-acetylenc

HEAT-RESISTING

talled drawings of its design are ALUMINIUM PAINTI sent together with full Instruc tions for the assembly and in- An aluminium paint claimed to terconnection of the various be capable of withstanding chassis, This ensures that any temperature of 600 deg. C. with

the company's overseas bran- thes or agents will be able to

of

lame.

4. In welding a fractured inan-. nanese steel part, when the ernek does not end in a hole, one should

burned through if possible, to prevent further cracking. Then torch-cut or grind a single " all the way through, with the. top width of the "V" not greater cut disruption of the film has than the thickness of the motal been developed by the Atlas"Fretion. Thoroughly clean the "V" of oxide and dirt by grinding The new paint can be applied to and brushing. clean metal surfaces when cold or moderately warm

Install an instrument which Preservative Co. identical in design and perfor- mance with that matte under the supervision of the

company's technicians in Britain.

HUMETILE“.

ASBESTOS CEMENT

BUILDING MATERIALS

Illustrating "HUMESIX" Sheets and

** HUMETILÉS” -- clóse

ridgos" and "HUMETILE" ridges,

"RUMESIX"

· half round" "gutters, box gutters, hog

****et, adjustable two place finial

stop and with outlet,

and one piece “HUMETILE” finial.

Stocks of Sheets and Ridges available."

Other items prompt shipment from Singapore.

Sole Agente

DREYER & CO. LTD. EAT NEE

#30256

On

exposure to temperatures] above 300 deg. C. there is a slight emission of non-injuribus smoke and a slight loss in dccord- tive value, but fis protective value remains unimpaired up to 400 dog

C.

"long at the middle of the filler Bar; the next, 2 away and com- pleted to the centre; the third on the opptalto end of the first; and repent. Each step. should be com- pleted to the desired height be- fore progressing to the

next. Peening each bead as applied is essential to stress relieve and reduce warpage.

u. To assist in controlling war- page Aller bars longer than 12" should be notched.

10. Fill up with AMSCO Nickel. Manganese wald metal tu dimen- sions and shape required, peening each bead and also bar tops for stress relict and work-hardening. To offer greater abrasion resis- tance, each corrugation should be surfaced with two passes Amsco Economy Hardface.

Local Agents of the American Brake Shoe Co. are Yu Tung Tai

✪ FALLTE. SAN

~HOTEL WELD TO CENTER

AMSCO

Amaco NI MANA WELDING NOR

· Skatch-Nɔ; 3-Method of "ca" bullding crucher Jaw with Nicket Manganese Sten Filler Bars and Elec. trodes.

6. Arc-Welding is preferable on manganese meel booause of its greater speed and less danger of Ltd, (York Building). They carry ever-heating. Reverse polarity is stucks Manganese Sicel Elec- always used. The vorrect current trodes and would be glad ip be of can be determined by testing on service to anyone whose problen sparate piece. The minimum consists of building up any sur- current that will produce satisface which is subject factory penetration should bo used.

wear and abrasion.

STEEL RAILS FOR BRITISH COLUMBIA

7. Tack-wold the bars at ends and at alteronte " spaces, us The London office of the Agent indicated In Sketch Na, 2, to General for British Columbia has hold them to "way from nounced that contracts for steel the base metal, depending on the rails for an extension of the size of bar. A small Ulamelor Pacific Grent Eastern Railway electrode should be used for the from Quesnel to Prince George inilul beads in attaching the has been awarded to British firms. filer bar to the bare metal, thus The contract is worth $1,022,000, insuring complete penetration or

Wolf Electric Tools Ltd.

SOLE

MAWER, EVA

to hard

"DOUBLE MAMBA'S" RECORD

One of Armstrong Sid- doley's latest aero engines the Double Mamba, has made his tory last week by becoming the first prop-jet in the world ever to land on and take off from an aircraft carrier.

Its first deck landing trials were: successfully completed in the new Fairey 17, an anti subs marine aircrati. With this Double Mamba arrangement incidental- ly the first of its kind to the Tong periods of patrol which are an essential part of a submarine spotters work aro, carried out with only one engine operating

In combat or purpull both en- Haines are used and the pilot has RI ONOTITIOLs' reserve of power as well as considerable "cruising.on- durance..

In the nose of the fuselage are two Mamba engines lying-sldo by Frida, 'esch driving its own co- existly mounted propeller. The forward propeller is mounted on Pa shaft which runs through tho centre of the aft propeller shaft and they rotata in opposita direo-

There is likely to be consider able civil Interest in this type of arrangement since it provides all- the advantages of twin engine re- liability with none of the disad

CO. LTD. vantages,

dynamically, and a safer one than the orthodox method, of installing

ALL AROUND THE WORLD

you'll find-

SLOAN

FLUSH VALVES

There are more Bloan Flush Valves sold (an all other makes combined,

Agents

ANDERSEN, MEYER & COMPANY, LTD.

DAVID HOUSE

GRANT

TEL: 28091.

BUILDING SUPPLIES

By

JARDINE'S

GALVANIZED STEEL WINDOWS Henry Hope & Son Ltd.

ROOFING, FLOORING & INSULATING, MATERIALS

The John Manville International Corporation

INDUSTRIAL AND DOMESTIC PAINTS International Paints Ltd.

ELECTRIC WIRES & CABLES W. T. Honloy's Tolograph Works Ltd.

ELECTRIC FITTINGS

J. A. Crabtree & Co., Ltd.

PASSENGER & FREIGHT ELEVATORS Schindler & Co., Ltd.

STEEL ROLLING SHUTTERS Haskins (E. Pollard & Co., Ltd.).

Alio

COMPLETE FIRE SERVICE INSTALLATIONS

The Jardine Engineering Corp. Ltd.

Pedder Street

Telephono 30311

Hongkong

If you can drive it with a V-BELT you can drive it BEST with

VEELINK

dard Sizes. Fits

ndard

Grooves Available in Standard: 109-foot Rosie. Agents-KIU FOONG TRADING

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