1932-01-16 — Page 3

H

Page

ENGINEERING AND

AN ELECTRIC LAMP.

HOW THE FILAMENT IS TEMPURED.

ed from Australia, and frem

pure tungsten in the form of binek powder is obtained by jonghy chemical processes. This is shaped, into ingots about 8 in x in. square by powerful hydraulic pros aurea. The ingots are raised to ̈n high torperature in bydrogen (l prevent oxidisation) by an electric current of between 5,000 and 10,000 amperes, whior causes the partiolov.

HONG KONG DAILY PRESS, SATURDAY, JANUARY 16, 1932.

BUILDING

OPERATING LARGE

BUILDINGS.

COMBINED STEAM POWER

AND HEATING.

NOTABLE PLANT AT WELL KNOWN CANADIAN HOTEL.

NOTABLE MODERN

DREDGER

LATEST METHODS IN STEAM GENERATION.

GREAT NEW CRAFT FOR

DURBAN.

PITCHED BATTLE IN STREET.

ARMED ROBBERS ROUT SHANGHAI POLICE.

Daring, handits down ups four Chinese recountants and a Japanese who were protected by a Chapei It is now generally being realised to halt, fired two shots to intimidate police, and after calling on them in the world of fuel technology them. During the course of the To the lay mind the word

that n substantial economy CAN

ensuing battle, it is learned, the tempered," used in relation

generally be obtained on smaller

bandits fired 14 shots and the police metals, conjures up the vision of a

vessels of all sizes by adopting seven or eight. Of the five shroffs. smith at his forge boating a bar of of tangs.en to cohero. The metal of large buildings, such as hotels, with the beilor plant specially but the Aith was thrown to the In connection with the operation scienfio methods in connection four managed to slip off, in the dark, steel as high temperature. The lie bar thus produced is then workt-hydros, aunatoria and hospitals regards, burning efficiently the ground by the robbers and his pay #triker's heavy hammers incessant. ly pound the heated metal on the repeated "waging" or "mechanin most cases is steam and genere to be used in the Far East, and was taken from him

e gradually into a thin tough rod with laundries, kitchens and simi

lar departments, the ideal system varying qualities of ical that have roll money amounting to $1,700. anvil It is then immersed in Feal hammering processes. The rod hot

were matchwood,

کریمی

of

elsewhere.

TheRietbok."

PTORMITO

8

4

water or oil-and the result is a

water supply by means is subsequently reduced to any re-

back-pressure, high-speed, vertien! tool "tempered" to such a degreequired diamotor by drawing erating electricity for lighting an

The victims were employees of the steam engines which are also get of hardness that many of its type

Japan and Chine Spinning and other uson by means of direct

An interesting example of the Wouring Co., 74-30, Robinson Road, will cut metals, as though they through a series of diamond dies.

coupled generators In this

Intent methods in this A'yard of jungsten wir, 1 mm. electricity can be preduped much is represented by the new hoppe mill premies, and connpeting alloy- connection which is a Municipal Road, but the way That is the popular ilen of d'amoter, has to be drawn out to cheaper than from any power sta Buction. dredger "Ristbok" which temporing, and to the lay mind a length of miles before. it befon or condensing set because all has been built by William Simons ways are in Chinese territory, i in difficul to imagine how such"

the exhaust storm to utilised, givin&Co. Ltd., Renfrew (Scotland) therefore the engagements of Chapei | comes sufficiently thin to be used 1920 60-03 por procosas can enter into the pro-

cont, over-all for the South African Railways duction of an Oaram lamp flament for the finest lamp filaments, efficiency, with a steam boiler plant and Harbour Administration, Dur Police to act as guards.

ban. The Vessel They do, lie wover, very

has undergons similar which are approximately four tan- operated at any desired

According to information receiv process are smployed, involving | thouannilts

in and the steam exhausted for heat successful trials and is now in: und ec by the Settlement authoritie of an „inch rent hout and as many as 24.000 diameter. Afterwards the wire in at some figure, such na for keeping deur the entrance is mechanical hammer blows a minute passes to a mandril on which it is 3.20 lbs. per sq. in. according to Durban Harbour, being one of the after am, the shroffs had on à lamp lament now take the coiled. Tungsten filaments are circumstances.

largest dredgers yet constructed collected their funds in the No. 1 according to Lloyd's Special Sur Mill and left these promises about place of the striker at the anvil! heated up to a temperature about Largest Hotel in B.E.

400 úngrées above the melting point

vey, 382 feat long with a"Auch derk Difficult Operatión..

tenst iron

to proceed through A striking example of the value type of hill, and a huge hopper and then quenched į To enable the process to the het slowly in air. The result is the of combined steam power and heat with a capacity of 100.000 cubir alleyway to the No. 2 Mill, the en ter appreciated a few of the cpern amzing tempered Osram filament ing for buildings in the new Royal foot This is situated midships trance of which is only about 20 tions will be described. Of all the developmens in lighting ovoln York Hotel, Toronto, d the Cana- with the suction pipe well .component parts of the electriction almost as striking as was the dian Pacife Railway Co., connect Pumping machinery forward yards, from the Arst.

of the first carbon ed to the Union Station by achinery aft, specially designed to on the alart, however, inasmuch

the boilers and propelling R lamp the most difficult to produce introduction.

With guards on either side, not is the filament. This component firment Inmp.

nel. This is of enormous size, the allow of operation in the roughest | ore known as "scheulite" is import.

largest in the British Empire, with 1,080 Bedrooms being 4044 foot in weather. The dredging equipment 29 a possible robbery was further haight from the street level to the trifugal pump loading 5,000 tons carriers, with metallic containers in consiste essentially of a large con- from their thoughts. the money roo, while the main dining room is 8,270 sq. ft. and sonts 500, the of sand per hour driven by a direct their hands, had get within 12 feet banquetting hali has accommoda coupled triple expansion enging Sion for $800 persons. the coffee while 1 "Scotch" cylindrical boilers of their objective, when they were room, grill room, and cafe are ear are provided each with three furn alarmed with a cry of Halt, keep 3,000 sq. ft. and the lounge 6.20 tubes 3'0' diameter, and the quiet." Two of the armed robbers 81. ft Naturally the lighting Propelling machinery giving

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Engnoring, eto......

and

INE

3 ..

Bouffle in Dark,

ar

power, and hosting plant is of ex khots with ful load, is two sets of red one shot into a bamboo fener tensive size but he slectricity re-triple expansion engines driving to frighten the police and the quired is generated on the pre twin screws. The coal to be used shroffs. mises, supplemented with outside is from the Natal fields, being of a supply from the Toronto Hydre highly bituminous variety, 50-88 Electric mains, the conditions b

per cent, fixed carbon, 31-35 per ing somewhat complicated, because of, the climatic conditions of Toronto, extremely cold in winter but requiring relatively little hect for the rooms in summer,"

طوم

An Bücient Plant-

In the ensuing scuffle was cent. volatile matter, 8-10 per cent dark and perzone were hardly dis ash, and 2 per cent. moisture, with. say about 19,500 B.Th.. per tinguishable-three Chinese and the heating value, but difficult because Japanese slipped off and entered of the friability. Mainly for this the gate. The police put up a re- reason and also to allow of great

flexibility as regard power produesistance, but were outnumbered. For the seam heating, and powerTurbine" forced draught swam weapons, the robbers had “let off a tion, the boilers are all fitted with But the time they had drawn their generation there is operating three

that is 3 sete per jet furnaces,

600 H.F. Belliss" back-pressure, ciler or 12 sets for the complete burst. The battle which followed vertical, high speed engir ste that is a total of 1,800 H.P., run-installation. The furnace grates, was, of short duration, however,

The armed robbers seized one shroff and dumped him on the

ning at 375 rowlutions per minute, while the effective firing length is as already indicated, are 3'0" wide and exhausting at 3 lbs. per square and included is the firm's inch pressure to the healing mains.special smoke preventing perforated ground, bulleta dying over their These engines are cach dires baffle bridge made of interchange heads and matched his money box coupled to a D/O electrical seable cast iron sections, orator, while the steam pressure at

from him. Making off in the dark. the sop valve in 150-180 e. per

The Turbine " Turnace. In this manner elet-;

ness into the extremes of Clapei, square inch. tricity to the exitus of about 1.90 Essentially the standard "Tur- they called to their comrades, who (Continued at fout of next column.)tish invention, has a grate made up

bing furnace, a well-known Bri- followed. of large longitudinal hollow cast iron troughs side by side, being Chapei polica could not distinguish in number for a 3'0" wide grate, the features of their assailanta. A while the surface of the graisseurot of the ground the next day compound of a large number of

RIV

GARAGES and CAR

OWNERS

LARGE STOCKS BALL

BEARINGS CARRIED FOR ALL MAKES OF CARS

APPLY TO

DODWELL & Co., LTD.

Owing to the darkness, the

small and short, transversc inter revealed nothing excopt, a hand- looking slotted firebars or "ele some collection of empty cartridge ments" fixed across the top of the

cises: Inasmuch as there were no roughs. Further these clemen la have below. sloping projecting blood stains, it is thought that the portion, like the blade of a turmaraaders made their getaway, bine, which dips in the blast car without being wountled.

rent cf air and steamin the trough below, given by a steami nozzle in the inlet of each longitus: dinal bar supplied by a common

steam supply pipe with valve con- trol diverting the correct small volu. me of air corresponding to the par-

THE PRINCE'S TENANTS

ON THE FILM.

ticular aparture. The resnit is ROYAL FARMING & MINING

›give an intensely hot forced' blast fire because of the radiant "hei¬ emission and any desired draught A first view of a Blm depicting" and rate of combustion is obtained scenes connected with the Prince of mornly by adjusting the

steam

supply valva. It may be stated also Wales activities as industrialist, that furnaces of this kind BTE farmour and landlord, was enjoyed operating on dredgers, in the

Malay States burning lignite, and by his Royal Highness's Dartmoor in South America using difficul tenants in the Town Hall at friable coal from Chili.

Princetown, Devon,

Many of those who saw the film

Ew. is provided in the most et-themselves figure in it. Among the ficient lines, with complete utilise most interesting · scenes shown tion of all the exhaust steam for were:

eating, the hotel building being divided into 3 sections for the pur-

The Prince's visit to his tenants

pove, representing the east and at Kennington, in which old people west wings and the main contre are seen giving him an enthusiastic building, each of which is mainly welcome.

served by one of the back-pressurs.

minscr

engine sets. Also the bat conden- Beilly islanders, at work, includ- Bale from the boating system ising two former Walsh returned to the boiler plant by given employment as bulb farmors means of electric driven contri fugal pumps discharging to aby the Prince.

main return tank from which other The oyster farm near Falmánth, pumps passid to the boilers or from which a supply of oysters other place of use, completing a

highly eficient series of operations, goes to the King daily. with a high over-all thermal cf. The Dartmoor silver fox form ficiency of a character that cannot run by a nent of the Prince. be approached by any condensing

steam driven, sot Thus even for Cheesemaking on the Prince's super power stations the efficiency Somerset farms.

is only 16-22 per cent from the Mining operations at the Marsh, raw-ool to the switchbcard, simply Lane Colliery, Somerset, which becauso no use can be made of the was handed over by the Prince to exhaust steam, which is lost in the 50 miners, who ran it on their own cooling water, used in huge amount lines. to the extent of about 450-500 bon for every ton of coal burnt

The film is to be released for public exhibition.

Haig

COTCH WHISKY

JOHN HAIG & Co.Ltd. (Owng Halg & Maig, 558,3 MARKINCH, SCOTLAND.

Consumers are requested to see that every bottle of John Haig Gold Label Whisky as supplied by us bears the foot inbel thuar “ Gande, Prios & Co., Ltd., Sole Agents for Hong Kong." SOLE AGENTS:

GANDE, PRICE & CO., LTD., St. George's Building, Ice House Street,

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