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] |
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Results 1-5 of 41
Page 32
... operation . This loss is measured by the weight of the masonry into the product of its specific heat by the difference of the temperatures stated . A boiler set in brick - work will also lose more heat by radiation . than one whose ...
... operation . This loss is measured by the weight of the masonry into the product of its specific heat by the difference of the temperatures stated . A boiler set in brick - work will also lose more heat by radiation . than one whose ...
Page 34
... operation , of a mixture of lime and oxide of iron , intended to absorb the silica and phosphoric acid produced . Continuation of the blowing beyond the ordinary stopping point in Bessemer operations . Determination of the practical end ...
... operation , of a mixture of lime and oxide of iron , intended to absorb the silica and phosphoric acid produced . Continuation of the blowing beyond the ordinary stopping point in Bessemer operations . Determination of the practical end ...
Page 35
perature of the operation ; finally , the repeated tests at the close neces- sitated the loss of precious time . In order to obviate these inconveniences , they have treated iron carrying as much as 3 per cent . of silica , the ...
perature of the operation ; finally , the repeated tests at the close neces- sitated the loss of precious time . In order to obviate these inconveniences , they have treated iron carrying as much as 3 per cent . of silica , the ...
Page 37
... operation . Metal . Time , 0 3 ' 6 ' 9 ' 12 / Phosphorus , 1.5 1.6 1.63 1:43 1.42 14 ' 30 " 16 ' 30 ' 1.2 0.08 Carbon , 3.5 3.6 3.4 2.4 0.9 0.075 Silicon , 1.7 0.8 0.28 0:05 0.01 0 0 Manganese , 0.7 0.62 0.55 0.37 0.28 0.13 0.1 Sulphur ...
... operation . Metal . Time , 0 3 ' 6 ' 9 ' 12 / Phosphorus , 1.5 1.6 1.63 1:43 1.42 14 ' 30 " 16 ' 30 ' 1.2 0.08 Carbon , 3.5 3.6 3.4 2.4 0.9 0.075 Silicon , 1.7 0.8 0.28 0:05 0.01 0 0 Manganese , 0.7 0.62 0.55 0.37 0.28 0.13 0.1 Sulphur ...
Page 39
... Operation No. 67 . Grey iron of Hörde , 1200 kil . White iron 66 1500 " Steel scrap , Spiegel , Yield , 500 " 210 " 3410 3087 Phosphorus . Carbon . Sulphur . Manganese . Silicon . Pig iron , · 1.04 2.58 0.22 1.35 1.08 After 11 ' 45 ...
... Operation No. 67 . Grey iron of Hörde , 1200 kil . White iron 66 1500 " Steel scrap , Spiegel , Yield , 500 " 210 " 3410 3087 Phosphorus . Carbon . Sulphur . Manganese . Silicon . Pig iron , · 1.04 2.58 0.22 1.35 1.08 After 11 ' 45 ...
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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