1932-07-16 — Page 2

HONG KONG DAILY PRESS SATURDAY, JULY 16, 1932.

For Constructural Work of Every

Description

Use Green Island Cement

TWO REFLEX TYPE ROTARY KILNS HAVING AN OVER ALL

LENGTH OF 264 · FEET: ·THESE KILNS ARE USED TO

MANUFACTURE GREEN ISLAND CEMENT.

Issued by the

GREEN ISLAND CEMENT CO., LTD.

2ND FLOOR

EXCHANGE BUILDING,

SPECIFY-

Berger Paints Varnishes

Enamala » Diziumpara - Laogiraja

Agents

1760

FOR YOUR CAR

e fall ode

Proxcelin

THE CELLULOSE· ·FINISH. DA

-W. R. ́LOXLEY & CO.

ΟΣ

Dezfsen Liernices

bliebers of the CM‚Á‚---

A

ENGINEERING AND BUILDING

THE NANKING-PUKOW

TRAIN FERRY.

PROJECT BEING CARRIED OUT WITH BOXER FUNDS.

TWIN-SCREW STEAMER AND CONSTRUC...... TION OF BRIDGE APPROACHES.

PROTECTION OF STEEL STRUCTURES.

THE CORROSION RATE OF

METALS.

In connection with the wide- spread researches being undertaken on the subject of corrosion great interest attaches to the recommen- dation of the American Railway

Under contracts that have been deck, taking in all three traius: Building and Bridge Association for made through the London Boxer each of seven wagons, a total of 21 the best methods for the protection of steel water tanks and other Funds Purchasing Commission the wagons. The shunting, of the

structurca. project of establishing a train ferry wagons will be by means of a loco service linking Nanking and Pukow motive carried on a platform at across the Yangte is to be carried cut in coming months. The work will include the orection of two ap proach bridges and the building of a modern train ferry steamer.

The contract for the bridge ap proaches is to be carried out by

the after end of the upper dock in conjunction with traversing gear, by means of which the locomotive may be moved horizontally across the deck to enable it to operate on any of the three lines of rails. At the after end of this dock, and in

The new method consists in using quick-drying Red Lead paint composed of 100 lbs. of Red Lend in oil, 1 gallons boiled linseed oil 3 pints turpentine, and 2 pints liquid dryer, and to open anllon of!

Ibe of the paint so obtained - 2 finely powdered litharge" (lead

Meaars. Dorman, Long and Com-line with each car track, substan-monoxide) is added immediately be pany, Ltd., of Middlesbrough and dial buffors will be built. London for whom early negotiationļi with the project were carried out

Propelling Machinery.

in China by Messra, Arnhold and! The forward end of the upper Company. The contract for the deck will be recessed in an sihwart: building of the train ferry steamer ship direction to receive a hinged has been placed in the hands of apron, which, in its working posi. Messrs. Swan, Hunter and Wigham tion, will be flush with the upper, Richardson, Ltd. of Newcastle-upon- deck, connecting the railway truck Tyne for whom 'negotiations in on the shore with the three lines China were conducted by Messrs. of tracks on the deck of the ferry. Malcolm and Company, Ltd, act- To facilitate berthing there is, in ing as agents for the shipbuilders. addition to the after steering or Each of the two bridge approa-rangements, a bow rudder with its ches that will be erected will con independent steam steering gear for sist of four spans (totalling eight use in manoeuvring in and out of spans altogether) each 152-ft. long, the berthed positions. with 20-ft. between trusses, with the | The propelling machinery is amid exception of the last span in each ships with the casings arranged at which Bares out to 4-ft. They will the sides of the upper deck, and contain approximately 1,500 tons of a coal bunker arranged in a recess steelwork all of which is to be rall between the two boilers The hull od and fabricated from Dorman, is exceptionally well sub-divided by Long's own raw materiala at the watertight bulkheads extending to Company's Works t Middles the height of the upper deck. brough.

Feed water will be carried in a The Yangtze River at the ferry cellular double-bottom tank under- site has an extreme variation in the engines. The forward and after water. loval of 24-ft, with a daily peaks will be arranged for water variation of 1-ft, to 3-ft. The four ballast, and, in addition, there will spans which connect the ferry boat be deep tanks for trimming both to the shore on each bank are to forward and aft, and heeling Lanks be carried un long-screws, electrical-on the port and starboard sides ly operated, which will be so in- amidships.

ter-connected that, whatever the Substantial fenders are fitted at water level there may be an even the level of the upper deck, and gradient produced over all four similar fenders are carried round spans from the start of the first the bow and stern. span down or up to the outer end of the fourth span.

The ferry boat is connected to the

The navigating bridge is mount- ed at a level giving a commanding view above the trains, and extends

end of the last span on each side the full width of the ship, and the of the river by an adjustable captain's nocommodation is fitted "apron" which will take up any on this bridge. minor variations in level of the

at an Esta caferry deck when loading relative to.

the end of the fourth span.

COMPLETE ELECTRICAL INSTALLATIONS

with

C. M. A. CABLES.

Advice and Estimates given free on all types of

LIGHTING & POWER INSTALLATION

by an experienced

ELECTRICAL ENGINEER

retained at our Hong Kong Branch

The General Electric Co. (of China), Ltd,

QUEEN'S BUILDINGS,

HONG KONGE

The Engineers.

The electrical, and mechanical gearing will be supplied by Messrs. Thos, Broadbent and Sons, Ltd, of Huddersfield.

At the time negotiation in connec tion with the bridge approaches

The accommodation for the offi cers, engineers and crew is arrang ed on a steal lower deck or fat aft of the engine room..

A shelter is provided on the lower deck forward for passengers' use,

Deck Machinery.

The deck machinery includes steam were being conducted in China by steering of the Wilson Pirris type Mesara, Arabold and Co., Mr

Freeman, the chief bridge designer both forward and aft, both gears for Messrs. Dorman, Long and Co., controlled by tolemotor from the visited this country. Mr. Freeman navigating bridge, two steam cap was responsible for the design of stan windlasses forward, two warp- the famous Sydney Harbor Bridge|ing capstone" aft, steam-driven and will shortly ho visiting China traversing gear, electric lighting again in connection with business throughout the ship, including interests of his Company and other flood lights for the car deck; and well-known British manufacturers...steam heating throughout the liv-

The chief engineer of the Naning accommodation." king-Pukow Train Ferry is Dr. The twin propelling engines will Cheng Hua of the Ministry of Rail be, of: the three cylinder, triple ways, Nanking, who recently paid expansion, surfaco-condensing type, a flying visit to England and is with independent air, circulating, now on his way back to Cains. *** feed and bilge pumps, together The twin-screw ferry steamor do with the usual ballast, general.sor- signed to transport passenger and vice and other auxiliaries freight trains over the Yangtze ba Steam will be supplied by two tween Nanking and Pukow is to be single-ended Scotch boilers, burning built under the supervision of Sir Chinese coal, with Howden's system John H. Biles and Company of of forced draught The boilers will London at the Neptune Works, be arranged in asparate stokeholds, Walker of Messra. Swan, Hunter ons port and one starboard, with and Wigham Richardson.

Dimensions

separate uptakes and separate fun- nels, this arrangement being neces sary in order to give a clear space in the center of the ship for the The principal dimensions are trains. phout 371-it, overall, an extreme Expenditure for this train farry breadth of 384-ft., with three clear project is only a portion of the lengths of car track each: 800-ft outlay in China within recont Hong on the upper deck. The ship months from the remitted British la designed to carry a total live Boxer funds. In this connection K load of about 1,900 tons, and a total statement of expenditures from the | dead-weight of almost 1,000 tons, British Boxer funds is of interest **The hull and machinery will be and in given below, From August built under special survey, and in 10, 1931 to March 18, 1932, the accordance with Lloyd's, require-Chinese National Construction C'om- *The care will be shipped from the ion made purchases in England with Boxer Indemnity funde forwand end; hnd accommodated on: amounting to £104,443 12%. - Dd. --- three lines of rails on the upper, Far Eastern Reviews, in

fore application. One week also must elapse between the applica tion of priming and the second conte, and 48 hours between the second and third coats, and lifter the latter has been allowed to dry for 48 hours the tank is ready for filling- with water.

is oxidising molten lead with air in two stages; first to lead mono- xide at not over 645°F. and se condly at a higher temperature not over 1000° F. in order to produce Red Lead. In this connection the British Standard Specifications re- quire a minimum of 03.15 per vent

true Red Lead and 90.5 per cent

total oxides of lead, with not over 8 per cent litharge, while the American Society of Testing Mate rial --Specifications-are-on the same lines.

*** The "now" suggestion of the addi- tion of a small quantity of litharge to the paint immediately before application is certainly of intereste but care should be taken to

thoroughly mix as before

It is well known as the result of the experieties of more than a century that Red Lead possess08/ striking and valuable properties lu protecting iron and steel acainst corrosion, and the matter is obv ously of special importance for the mining and allied Industries.

Botable Besearch. Familiar knowledge also in the fact that in the corrosion of steel, iron or other material by water, partly due to dissolved oxygen,

initial corrosion" takes place, that is the corrosion of the clean, metal surface commences at a fairly rapid: rate and then diministres consi-

protecting film of oxide. In this derably due to the formation of a connection some notable merican research work is that af J. Brown, B. E. Rustheli, and 17. 0.1 Forrest, described in recent issue of "Industrial and Engineer- ing Chemistry" (New York), in which these observers have deter mined, with great accuracy the initial corrosion rate of aluminium, zine, copper, nickel, tin, silver," and iron and steel. Essentially the method consists in the use of a small rotating cylinder of the metal which has been rondered oxide-free by treatment with by- drochloric acid and subsequently rinsed in a stream of oxygen-free! water until all traces of acid bavo been removed. The metal so This is due to the small pro- fented is then subjected to the portion, not over & per cent, of action of water containing dissol free litharge contained in non- yed oxygen, and the rate of cor getting Red Lead, an effect pro-rosion measured by determining duced by careful scientific control the decrease in the oxygen content in the process of manufacture, that of the water.

The Recommendations, The recommendations of this Association are of course based on the most extensive experience in the protecting of railway plant and equipment of every description, while it must be emphasised that modern, "non-setting" varieties of Red Lead enables the paint to be supplied in bulk ready for use, as it does not harden in storage con- tainers.

THE EXPRESS LIFT CO., LTD.

WITH WHICH IS INCORPORATED THE BUSINESS OF

SMITH, MAJOR & STEVENS, LTD.

EXPRESS SMS

LIFTS

MODERN LIFTS

FOR

MODERN

BUILDINGS var

SPEEDYA WAK

RELIABLE SERVICE

FOR DETAILS APPLY TO

THE G.E.C., QUEEN'S

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DING, CHATRE ROAD.