. Remunerative railways for new countries : with some account of the first railway in China . 2 ,, 3° O 0 . 60 O O ,, 2 ,, 40 O 0 80 O O 60 O 0 . 60 O O »» 200 O 0 200 O O ,, 2 ,, 55° O 0 1,100 0 O 100 O 0 . 100 0 O 150 O 0 300 0 O ,, 4°,, 3° O 0 1,200 0 O „ 20 O 0 . 100 0 O per mile for 20 miles, per mile ,£7,920 o o , £792 o o^75° o o ITEMS WHICH MAY OR MAY NOT BE REQUIRED. £ s. a. Cost of plain girders, for 40 ft. span, with rails on top and cross stretchers per pair 90 o o ,, >. 3° ,. ,, » ,, ,, 50 o o ,» ,, 20 ,, ,, ,, ,, ,, ,, 30 o o ,, rolled joists 15 ,, ,, ,, ,, ,, ,, iS o o KR
. Remunerative railways for new countries : with some account of the first railway in China . 2 ,, 3° O 0 . 60 O O ,, 2 ,, 40 O 0 80 O O 60 O 0 . 60 O O »» 200 O 0 200 O O ,, 2 ,, 55° O 0 1,100 0 O 100 O 0 . 100 0 O 150 O 0 300 0 O ,, 4°,, 3° O 0 1,200 0 O „ 20 O 0 . 100 0 O per mile for 20 miles, per mile ,£7,920 o o , £792 o o^75° o o ITEMS WHICH MAY OR MAY NOT BE REQUIRED. £ s. a. Cost of plain girders, for 40 ft. span, with rails on top and cross stretchers per pair 90 o o ,, >. 3° ,. ,, » ,, ,, 50 o o ,» ,, 20 ,, ,, ,, ,, ,, ,, 30 o o ,, rolled joists 15 ,, ,, ,, ,, ,, ,, iS o o KRMUNERA TIVE RAIL IVA YS SIZE No. 4.—(See Estimate No. 4.) €stimate of Utatmals \x\\\ fittings FOR TWENTY MILES OF RAILWAY FOR GENERAL TRAFFIC, WITH THREE INTERMEDIATE AND TWO TERMINAL STATIONS. DUTY REQUIRED TO BE DONE. 1. Maximum train load required to be taken at 8 miles an hour on a level = io tons. 2. ,, ,, ,, „ 5 „ „ up i in ioo = 40 „ 3- .. .. .. .. 3 .. >i n 1 in 35 = 22 » 4. Speed with light load = 18 miles an hour. GAUGE, 2 ft. o in. to 3 ft. 6 DESCRIPTION OF ENGINE SUITABLE FOR THE REQUIREMENTS. Weight in working order, 7 tons, on 6 wheels, 2 ft. diameter, 4 wheels coupled. Cylinders, 6J in. x 12 in. Heating surface, 142 square feet. Grate area, 3 square feet. Greatest weight on any wheel, 25 cwt. Rails, 20 lbs. per yard. Gauge, 2 ft. 6 in. to 3 ft. 6 in. Fixed wheel-base of Engines when made with six wheels coupled, 7 ft. 5 in. Fixed wheel-base of Engines when mailc with four wheels coupled, and a bogie, 3 ft. 6 in. FOR NEW COUNTRIES. 7i Tons for Freight. Measure-ment. DeadWeight. .. 667 802 5° s 7 3 2 3 3 12 So 1 ESTIMATE No. 4—(for Size No. 4). £ Rails (20 lbs. per yard), with fish plates Tons, 667 at S Fishbolts, dog spikes, and fang bolts ,, 50 „ 22 Sleepers, 8 in. X 3 in. X 5 ft. 6 in. (2400 per mile) .. .. No., 48,000 ,, o Points, steel, 7 ft. tongues, 10 ft. stocks Sets, 20 ,, 8 Crossings, steel, with check rails ,, 26
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