. Remunerative railways for new countries : with some account of the first railway in China . per mile of road Level-crossing gates, 12 ft., j£S ioj\ ; 15 ft., £\o \os. Electric telegraphs, one wire, with poles and insulators cost per mile Instruments and batteries for stations price per station Strong wrought-iron workshop, with windows and doors complete, say 150 ft. x 40 ft price Cost of girder bridges, with main girders 60 ft. span, with iron cross-girders 40 ft. each >. >. ,. 5° >> .. ,, plain girders for 40 ft. span, ,£140 ; 30 ft., ;£So ; 20 ft., .£40 ; 15 ft., £30 per pair.
. Remunerative railways for new countries : with some account of the first railway in China . per mile of road Level-crossing gates, 12 ft., j£S ioj\ ; 15 ft., £\o \os. Electric telegraphs, one wire, with poles and insulators cost per mile Instruments and batteries for stations price per station Strong wrought-iron workshop, with windows and doors complete, say 150 ft. x 40 ft price Cost of girder bridges, with main girders 60 ft. span, with iron cross-girders 40 ft. each >. >. ,. 5° >> .. ,, plain girders for 40 ft. span, ,£140 ; 30 ft., ;£So ; 20 ft., .£40 ; 15 ft., £30 per pair. £ s. d. 250 0 O 40 0 O 40 0 O 1,250 0 O 500 0 O 35° O 0 76 REMUNERA TIVE RAIL WA YS SIZE No. 7.—(See Estimate No. 7.) €sttmate of Materials anb Jfittt FORTY MILES OF RAILWAY FOR GENERAL TRAFFIC, WITH FIVE INTERMEDIATE AND TWO TERMINAL STATIONS. DUTY REQUIRED TO BE train load required to be taken at II miles an hour on a level = 210 tons. *) j) 8 „ ,, up 1 in 100 = 80 ,, 5 .. .. >. 1 » 35 = 45 .. 4. Speed with light loads = 2S miles an hour. GAUGE, I DESCRIPTION OF ENGINE SUITABLE FOR THE Weight in working order, 15 tons, on 6 wheels, 3 ft. 6 in. diameter, 4 wheels coupled. Cylinders I\\ in. = 17 in. Heating surface, 430 square feet. Grate area, 7 square feet. Greatest weight on any wheel, 3 tons. Rails, 40 lbs. per yard. Gauge metre. Fixed wheel-base of Engines when made with 6 wheels coupled, 11 ft. 2 in. Fixed wheel-base of Engines when made with four wheels coupled, and a bogie, 6 ft. 6 in. FOR NEW COUNTRIES. 77 Tons for Freight. DeadWeight. 2,667160 2421 4 220 318 9 3 3 2 5i 3 12 8 14 20 40 3066 15 17 180 5° 3 1 30 5 3° 5 120 20 25 10 2l6 36 120 18 9060 106 2060 5>5 546 5,760 ESTIMATE No. 1—(for Size No. i). £7 20o No., Rails, 40 lbs. per yard, with fish plates Tons, 2,667 : Fish bolts, dog spikes, and fang bolts „ 160 , Sleepers 9 in. X 4J in. X 6 ft. 6 in. (2400 per mile) .. .. No., 96,000 , Points,
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