Journal of the Franklin InstituteVols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 4
... and of column 16 in pounds . Column 17 contains the coke consumed per horse power per hour , deduced for the several diagrams from the consumption of water , column 16 , allowing 1 lb. of coke to evaporate 8 lbs . of water .
... and of column 16 in pounds . Column 17 contains the coke consumed per horse power per hour , deduced for the several diagrams from the consumption of water , column 16 , allowing 1 lb. of coke to evaporate 8 lbs . of water .
Page 6
The sum is the required consumption in pounds . Let L = length of stroke , S = the period of admission of steam , and W = the consumption of water in pounds per horse power per hour ; then S W = 22-14 ( 1. ) L Allowing 8 lbs . of water ...
The sum is the required consumption in pounds . Let L = length of stroke , S = the period of admission of steam , and W = the consumption of water in pounds per horse power per hour ; then S W = 22-14 ( 1. ) L Allowing 8 lbs . of water ...
Page 9
Periods Water as steam Relative work of admission or Relative consumed in Possible done by steam points at which pounds efficiency of of the same maximum the steam is steam in per horse power cut off in parts maximum actual practice ...
Periods Water as steam Relative work of admission or Relative consumed in Possible done by steam points at which pounds efficiency of of the same maximum the steam is steam in per horse power cut off in parts maximum actual practice ...
Page 33
Weight of sea water contained in four builers , by calculation , 392,300 pounds . PROPORTIONS . — Heating to grate surface , 33.142 to 1.000 Grate surface to aggregate cross area of spaces between tubes , 5.028 beneath the hanging plate ...
Weight of sea water contained in four builers , by calculation , 392,300 pounds . PROPORTIONS . — Heating to grate surface , 33.142 to 1.000 Grate surface to aggregate cross area of spaces between tubes , 5.028 beneath the hanging plate ...
Page 34
Average steam pressure in boiler per sq . in . above atmosphere in pounds . Average number of double strokes of piston made per minute . Total number of double stroker made ( by coun . ter . ) Time Hours and minutes .
Average steam pressure in boiler per sq . in . above atmosphere in pounds . Average number of double strokes of piston made per minute . Total number of double stroker made ( by coun . ter . ) Time Hours and minutes .
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acid action amount apparatus appears applied arrangement attached boiler carbon carried cast cause cent centre chamber claim closed coal colors combination connected consists construction containing cylinder described diameter direction distance effect employed engine equal experiments feet fire flues force frame furnace give given greater heat hour Improvement inches increase Institute invention iron Journal latter lead length less light lower machine manner manufacture material means mechanical metal method miles minute motion moved nature object observed obtained operation oxide pass patent pipe piston placed plate portion position pounds practical present pressure produced proportion quantity railway screw separate shown side slide space specified speed spring square steam stroke substantially surface taken tion train tubes turning valve vessel weight wheel whole York