Journal of the Franklin Institute, Volume 80; Volume 110Franklin Institute, 1880 Vols. 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] |
From inside the book
Results 1-5 of 52
Page 28
... acid , could not be determined with absolute precision . 2d . That the feed - water , as drawn from the river Vesdre , necessarily varies slightly in composition from day to 28 Isherwood - Economic Vaporization . [ Jour . Frank . Inst . ,
... acid , could not be determined with absolute precision . 2d . That the feed - water , as drawn from the river Vesdre , necessarily varies slightly in composition from day to 28 Isherwood - Economic Vaporization . [ Jour . Frank . Inst . ,
Page 29
... acid and of the lime has disappeared to form scale and sludge . Notwithstand- ing the above uncertainties , these analyses are of much value from their rarity , and for the information they give in relation to the per- sistence of the ...
... acid and of the lime has disappeared to form scale and sludge . Notwithstand- ing the above uncertainties , these analyses are of much value from their rarity , and for the information they give in relation to the per- sistence of the ...
Page 34
... acid produced . Continuation of the blowing beyond the ordinary stopping point in Bessemer operations . Determination of the practical end of the dephosphorisation by a series of samples and repeated trials . Under these conditions ...
... acid produced . Continuation of the blowing beyond the ordinary stopping point in Bessemer operations . Determination of the practical end of the dephosphorisation by a series of samples and repeated trials . Under these conditions ...
Page 37
... acid on the slag . Another means to avoid the rephosphorization was also tried at Eston . The mass of metal and slag was cooled in a ladle furnished with a stopper and an orifice at the bottom ; then the metal alone was • led into a ...
... acid on the slag . Another means to avoid the rephosphorization was also tried at Eston . The mass of metal and slag was cooled in a ladle furnished with a stopper and an orifice at the bottom ; then the metal alone was • led into a ...
Page 40
... acid , Magnetic oxide , Fe3O , 9.50 13.81 11.10 9.76 7.38 12.43 • 9.28 6.92 11.25 Protoxide of iron , 1:41 • ...... Protoxide of manganese , 6.16 6.20 4.40 Lime , 59.35 57.85 50.21 Magnesia ,. Sulphuret of calcium , 5.01 0.87 0.22 1.15 ...
... acid , Magnetic oxide , Fe3O , 9.50 13.81 11.10 9.76 7.38 12.43 • 9.28 6.92 11.25 Protoxide of iron , 1:41 • ...... Protoxide of manganese , 6.16 6.20 4.40 Lime , 59.35 57.85 50.21 Magnesia ,. Sulphuret of calcium , 5.01 0.87 0.22 1.15 ...
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acid Anthracite apparatus battery bobbin boiler bone oil carbon carbonic acid cent chamber coal gas combustion compression constructed containing cubic cylinder diameter dimensions drawing-roller dy dz dynamo-electric effect elastic elastic limit electric light employed experiments feet fibres Franklin Institute furnace gases gills give heating surface horizontal horse-power hour increase ingot iron jute length locomotive machine magnet manganese matter means mechanical ment metal metric metric system miles miles per hour millimetre minute motion nuts obtained ordinary oxide oxygen paraffine Patents Perkins Engine phosphorus pins piston placed plate pound of coal pounds per square practical pressure produced proportion quantity Rendus resistance revolutions per minute rollers screws selenium shaft shell side silica slag sliver speed square inch steam dome steam engine steel strain Sulphur temperature tion tons tubes valve vaporized velocity vertical vessel weight wheels wire