. The Street railway journal . to that which would be unavoidable in a reciprocating , the heat losses are infinitesimal and there results aclear gain in economy. GENERAL AVERAGE 36■~ 34~ 32•1 30p ~8 22 20 RELATION-VACUUM TO ECONOMY300 PARSONS TURBINEHULTON COLLIERY. 1st Majority 2d Majority Basis of Per Basis Per Ct. Basis Cent of Total of Total Plant Per Cent No. Plants Capacity Capacity p. c. Pressure most generally used 150 lbs. 50 165 lbs. 36 175 lbs. 32 0° 46 100 38 150 20 Vacuum most generally used 27 37 35 27^ 27 Pressure most generally used (25 lb. r
. The Street railway journal . to that which would be unavoidable in a reciprocating , the heat losses are infinitesimal and there results aclear gain in economy. GENERAL AVERAGE 36■~ 34~ 32•1 30p ~8 22 20 RELATION-VACUUM TO ECONOMY300 PARSONS TURBINEHULTON COLLIERY. 1st Majority 2d Majority Basis of Per Basis Per Ct. Basis Cent of Total of Total Plant Per Cent No. Plants Capacity Capacity p. c. Pressure most generally used 150 lbs. 50 165 lbs. 36 175 lbs. 32 0° 46 100 38 150 20 Vacuum most generally used 27 37 35 27^ 27 Pressure most generally used (25 lb. range). 150-175 79 150-175 61 175-200 32 Superheat most generally used (50° range) . 0-100 54 100-150 40 150-200 33 Vacuum most generally used (1 range) 27- 28 46 27- 28 45 26- 27 37 Electric Railway Basis capacity only Pressure most widely used _ Superheat most widely used— Vacuum most widely used Pressure most widely used (25-lb. range) Superheat nrost widely used (50° range) Vacuum most widely used (1 range) Light and Power Pressure most widely used Superheat most widely used Vacuum most widely used Pressure most widely used (25-lb. range). Superheat most widely used (50° range) Vacuum most widely used (1 range) Power Pressure most widely used Superheat most widely used.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884