1931-06-27 — Page 2

HONG KONG DAILY PRESS. SATURDAY, JUNE 27, 1931.

Use Green Island Cement

for

Constructural Work of Every Description.

HOW GREEN ISLAND CEMENT IS MADE

Green Island Cement is manufactured from hard limestone and clay. It is necessary that these materials should be finely ground in ordër that they may come into intimate contact with one another in the burning process.

The finely pulverised materials are mixed in a certain definite proportion, roughly one part of clay to three of limestone, and are fed to the Rotary Kilas.

In these kilns they meet the hot gases and flames generated by pulverised. coal blown in at the other end of the kilns, and after various chemical actions have taken place, they combine to form Portland Cement Clinker.

The Clinker is ground down with a small percentage of gypsuni to regulate the setting. time, and Green Island Portland Cement is thus produced.

Although sounding so simple, in reality the process is an intricate combination of mechanical, physical and chemical operations, needing great skill and care. Nothing but constant and accurate supervision will yield the results 80 well-known with Green Island Cement, namely, strength, uniformity and reliability.

USE GREEN ISLAND CEMENT

Issued by the

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FIRES

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Current consumption 1 or 14 uniu an hour. Finished in brown, blue, green, grey or white vitreous enamel.

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ENGINEERING AND BUILDING

A CENTENARY OF ENGINEERS.

HONOUR WHERE HONOUR IS DUE,

MEN TO WHOM WE OWE MODERN PROGRESS.

[By Profusson C. A. MIDDLETON-SMITH, M.Sc.,

M.I. MECH. E.]

Continuing the review of the Engineers of a century, ago, whose memory is to be honoured at a celebration to be held in London next September," Professor Middleston-Smith (whose first article on this subject appeared in this supplement a week ago) refers to Symington and Fulton, thane earlier pioneers of the "marine steam engine.

TRACTORSTROI.

SOVIET ATTEMPT TO COPY FORD.

A FANTASTIC ""FACTORY,"

Soviet public attention, has re- vently been focused on the new Stalingrad tractor plant which, with its capacity of fifty thousand tractors a year, boasts the designa Lion of being the largest factory of its kind in the world. The unsatisfactory state of production in this plant has elicited, among other things, an urgent visit of inspection from the head of the Supreme Economic Council, Mr. Ordzhonikidze," a rush to Stalingrad of a leading proletarian poot, a number of journalists, and "shock brigades" uf picked workers from other fac.. tories, a challenge to the Stalin- the Leningrad "Red Putilov grad workers by thoir follows in works, and numerous critical and During this year of centenaries analytical articles in the press

Tractorstrei, as the Stalingrad many thoughts concerning inven-plant is called, is interesting be For that reliable source of in- tions and the debt which the com- the Five-your Plan: The constant cause it is really a microcosm of formation states that all subse-munity owes to inventors will arise dualism of the Plan, the large quent improvements in steam navi in the minds of all of us. Said the scale construction, tha holdness and gation may be fairly traced to American who visited England sixty sweep of imagination on one side Mr. Symington's attempt.

yenrs ago The bias of the and the practical everyday handi- caps and difficulties on the other, nation is a passion for utility. They are vividly reflected within man- love the lever, the screw, and agcable proportions in the experi pulley, the Flanders draught horse ence of this plant. the waterfall, the windmills, tide- mills; the 'ses and the wind to bear their freight ships.

Concerning the claims of ad glance" over the record of some of mirers of Fulton-who engined the the peers created since the triumph Clerment and Bell-who engin-of Parsons genius was demonstrat- ed tho. famous "Comet, the state ed beyond dispute. ment made in the Encyclopedia Britannice gives judgment."..

To this tenacious Seot, therefore, belongs the honour of being the first pioneer marine engine builder. The "Charlotte Dundas" was only 58 ft. long, 18 ft. wide and 8 ft. deep, with her single cylinder engine fixed in the port side and a boiler placed in the starboard aide. Yet when, in 1802, she towed two alcops of 70 tons each in six hours for a distance of 194 miles she demonstrated that steam power would finally conquer saile.

Yet in the end the Canal Com- pany decided to give up steam navigation. Symington died, not only in obscurity, but in poverty.

A commentator on this tragedy has said words that may yet be true in this generation of men fired with ambition to create. Once again an inventor was driven to the wall, and once more a full measure of success eluded the man who had done more than anyone else to deserve it."

Other Anniversariss.

+4

Their toys

"

6,000 Breakage in Ten Months. Constructed according to Ameri can design and equipped largoly with foreign machinery, Tractors. are steam and galvanism.”

troi was "completed ahead of scheduled time and opened for The Advancement of Sciance. operation amid a flourish of trum Another centenary meeting that date its troubles began. Its first pets in June, 1930. From that will take place in London in Sep-manager, a good driving executive tember next is that of the British Association for the Advancement of

Science.

when it was a matter of harrying p the construction work, proved incapable of organising production and had to be replaced. The ten This will be presided over by thousand workers in the factory one of Britain's former enemies factory oxperience, and efforts te were mostly raw youths, without General Smuts. The Vice-Presidents install the conveyor system and Mr. Stanley Baldwin, Mr. Lloyd thousand machines in the factory are, HRH the Prince of Wales, mass production proved for months a dismal failure The three George, the Chancellor of the Uni-sustained six thousand breakages, versity of London, Secretary of due to inept and careless handing, State for the Colores and many other distinguished people interest ed in science. The President of the Engineering Section is Sir James Ewing, who recently retired from the office of Vice-Chancellor of the University of Edinburgh.

It was just one hundred years ago

The Association first met in York last January that John Blenkinsop, in 1831. Sir David Brewster made the inventor of the rack railway, the proposal to form an associa died, In February last the en-tion of our nobility, clergy, gentry gineering world paid a deserved and philosophers" to forward the tribute to the memory of Henry interests of science. Mandelay, another pioneer of There will also meet in London marine engineering and, the inven- this year (June and July) the tor of the self-acting screw-cutting Second International Congress of Inthe.

the History of Science and Techno- logy. This should prove of great interest to engineers.

•

during the first nine or ten months

of operation.

subsequent administrative reformis, together with the agitation which Up to April the plant, which is was developed among the workers, theoretien ly capable of producing produced some improvement, and fifly thousand tractors annually by the middle of May Tractorstrċi and had planned te turn, out 37,500 was reporting a daily output of 30," during the first year of operation, 60, and, on one, record, occasion, 72 had only produced about 3,000 most tractors.This represented a stride of them of dubious quality. At | forward by comparison with the this time one of those drives to provious functioning of the plant, mobiliso "public opinion and im- although the goal of 140 tractors prove the work of the factory which a day still, seems remote. It re are so cominon in Stviet economio. | mains to be seen whether this In- practics was launched. Ordzhoni. } crease is a temporary spurt under kidze went to Stalingrad and found strong pressure or whether Trac- there, to quote the crisp language torstroi has really swung into of his own roport, cemploto absenco Ford's mass-production rhythm. of accounting; factory buildings filled with waste products and the courtyard piled with fith and damaged products; complete ab- sense of control over the coming to work of the workers; foremen, and engineers not at their posts; uncontrolled starting 'and stopping | cf convoyers, absence of suitable care for equipment, an absence of persons responsible for the correct course of production in' individual departments.

A Temporary Spurt?

A possimist might extract from the Stalingrad experience the moral that there is a wide gult between construction" and efficient operation in the Soviet Union, while an optimist might argue that. Tractorstroi is at least furni shing some tractors that would otherwise have to be bought with precious foreign currency," and that constructing huge now plants ("equipped according to the latest word of science and technique" to use a favourite Russian expression). is the best preliminary to learning

nikidze's visit, and the bow to use them,

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NEW CHARM, NEW BEAUTY

And exactly one hundred years after the death of these great pioneers of applied science, we have From the above general outline) witnessed the passing over to the of the celebrations that will take Great Beyond of Charles Parsons, place in London in 1831 it will be the father of the modern turbine. roplised that Britain intends to do,

It is something to know that the homage to the memory of inventors.|-- genius of Parsons was recognised It is hoped that the country will by this generation, although it is also encourage and reward ade hard to understand why those in quately those who are working in authority, did not reward him with this generation for the benefit of

peerage. Especially when we humanity.

a

THE ROMANCE OF WATER : hausted, oil may give out, but

POWER.

A BOOK BY AN ENTHUSIAST,

water-power generator of elec tricity remains constant. "The extension of what may bo termed the dominion of water, which Pindar described prophetical- The Romance of Water-Powerly as the best of the elements, es By Paul Lewis (Simpson Lowpecially in Norway, Sweden, Swit

128. Od.).

Time was when the miller WLE content, with his merry slave the wind," or with the stream that turned noisily his dim and dripping wheel; and even to-day in remote places windmills "and water-wheels still supply his need. But in gen eral, newer methods have replaced these older and more picturesque survivals. The change is due to the invention of the turbine and the discovery that electrical energy can be generated by utilising water- power. Faraday and his sercessors |_ have revolutionisedz the worlds? Milling of course, is but one of the industries to which clectricity. can be applied. And the supply of electriuity, as Mr. Lewis shows, is inexhaustible. Coal may be ex-

zerland, and America, is a theme on which. Mr. Lewis dilates with scientific enthusiasm. Objections may be raised, as he sces, from the mathetic standpoint; to the construc- tion of huge dams and other works amid magnificently wild scenery.

"

A

7

Has not your romance of water-power," you will say, “de generated into a story of rather tordid, vandalism, "No, it is not 60. For the romance lies in the very negation of the assumption, that some of the natural poten tial energies must remain beyond the reach of men, and, in the smashing of yet another of these, environmental barriors standing betwoch man's over-widening evo- lutionary needs and, the fullness of his mother-carth..

The book is finely illustrated;

IN CONCRETE

-It is now possible, at no great additional cost, to Introduce the charm of colour into ordinary concrete work. A new coloured cement is available— **Coloreretë”—which possesses the

of a advantage

and permanent standardised colour. The two colours available at the moment are buff and red. Concrete made with "Colorcrete" is not only much morò beautiful than. ordinary concrete but it has the strength and hardens just as rapidly as concrete made with "Ferrozrete," .. the rapid-hardening Portland cement. It gives in 4 days the strength of concrete made with ordinary Portland. cement in 28 days.

WORK

"Colorcrete" is of considerable value for all concrete constructional work where permanent colour would be an advantage. it gives a concrete which harmonises perfectly with the natural surroundings, and which reduces glare due to the reflected rays of the sun w

Have the advantage, of colour in constructional w

work by constructing. in concrete mide with " olorcrete." Pavilions, bandstands, shelters and promenades: factories, bridges, muni- cipal houses, carriageways and paths can all be beautifled at very little extra cost by the use of this rapid. hardening coloured Portland cement

"Colorcrete."

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