. Remunerative railways for new countries : with some account of the first railway in China . nstruments and batteries for stations price per station Strong wrought-iron workshop, with windows and doors complete, say 150 ft. X 80 ft. priceCost of girder bridges, with main girders 60 ft. span, with iron cross girders .. .. each»> >» >» 50 *» >» .... ,, ,, plain girders for 40 ft. span, £160 ; 30 ft., £90 ; 20 ft., ,£50 ; 15 fr., ,£40 per pair. £250 40 40 2,000 600 430 2,650 o oSoo o o Total Cost of all materials and fittings for 40 miles £86,708 o o,, „ ,, per mile £2,168 o o oo
. Remunerative railways for new countries : with some account of the first railway in China . nstruments and batteries for stations price per station Strong wrought-iron workshop, with windows and doors complete, say 150 ft. X 80 ft. priceCost of girder bridges, with main girders 60 ft. span, with iron cross girders .. .. each»> >» >» 50 *» >» .... ,, ,, plain girders for 40 ft. span, £160 ; 30 ft., £90 ; 20 ft., ,£50 ; 15 fr., ,£40 per pair. £250 40 40 2,000 600 430 2,650 o oSoo o o Total Cost of all materials and fittings for 40 miles £86,708 o o,, „ ,, per mile £2,168 o o ooooo 78 REMUNERA TIVE RAIL WA \ S SIZE No. 8.—(See Estimate No. 8.) Cstimate of materials attfo Jfttutjjs FOR FORTY MILES OF RAILWAY FOR GENERAL TRAFFIC, WITH FIVE INTEEMEDIATE AND TWO TERMINAL STATIONS. DUTY REQUIRED TO BE DONE. 1. Maximum train load required to be taken at 10 or 12 miles an hour, on a level, = 250 tons. 2. ,, ,, ,, 7 or 8 ,, up 1 in 100 = 100 „ 3- .. .. .. 4r 5 » UP in 35 = 50 ,, 4. Speed with light loads = 24 miles an hour. GAUGE, 3 ft. 6 in. Fig. DESCRIPTION OF ENGINE SUITABLE FOR THE REQUIREMENTS. 1. Weight in working order, 18 tons, on 6 wheels, 3 ft. 6 in. diameter, all coupled. 2. Cylinders, ioi in. by 18 in. Heating surface, 4^5 square feet. Grate area, 5 square feet. 3. Greatest weight on any wheel, si tons- Rails, 45 lbs. per yard. Gauge, 3 ft. 6 in. 4. Fixed wheel-base of Engines when made with six wheels coupled, 10 ft. 10 in. 5. Fixed wheel-base of Engines when made with four wheels coupled, and a bogie, 6 ft. 6. in. FOR NEW COUNTRIES. 79 Tons for Freight. DeadWeight 3,000ISO 26 5 220 3 iS 12 IS s« 14 2440 15 80 I 5 5 20 10 48 2420 75 ESTIMATE No. 8—{for Size No. 8). £ s. d. £ s. d. Rails, 45 lbs. per yard, with fish plates Tons, 3,000 at 7 S o .. 23,250 o o Fish bolts, clog spikes, and fang bolts , 180 „ 20 o o .. 3,600 o o Sleepers, 9 in. X \\ in. x 7 ft. (2400 per mile) No., 96,000 ,, 12,000 o o Points,
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