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 54
Page 10
... material reduction of speed in passing them , and thus time is lost , which must be made up by a proportionate increase in speed on those parts of the roadway which are clear and unobstructed .. This increased speed must be as great ...
... material reduction of speed in passing them , and thus time is lost , which must be made up by a proportionate increase in speed on those parts of the roadway which are clear and unobstructed .. This increased speed must be as great ...
Page 38
... material employed . This always remains . a very gray and silicious iron , comparatively difficult and costly to produce . PROGRESS IN WESTPHALIA . - The most important modifications in- troduced in the working of the Thomas - Gilchrist ...
... material employed . This always remains . a very gray and silicious iron , comparatively difficult and costly to produce . PROGRESS IN WESTPHALIA . - The most important modifications in- troduced in the working of the Thomas - Gilchrist ...
Page 40
... Material treated , Yield , • 10.430 1.120 9.310 1.000 Loss , • 1.120 • 120 The total weight of the slag would be 2250 kilogrammes . Final Slags . ( a ) . ( b ) . ( c ) . Silica , Phosphoric acid , Magnetic oxide , Fe3O , 9.50 13.81 ...
... Material treated , Yield , • 10.430 1.120 9.310 1.000 Loss , • 1.120 • 120 The total weight of the slag would be 2250 kilogrammes . Final Slags . ( a ) . ( b ) . ( c ) . Silica , Phosphoric acid , Magnetic oxide , Fe3O , 9.50 13.81 ...
Page 49
... materials used for the sides and bridge of the hearth , which distinguishes the wet or boiling process from the dry or puddling process . Chemically , the process consists in the removal of the metalloids from the pig iron , a result ...
... materials used for the sides and bridge of the hearth , which distinguishes the wet or boiling process from the dry or puddling process . Chemically , the process consists in the removal of the metalloids from the pig iron , a result ...
Page 54
... Material thus obtained is compared with wrought iron made from anything and everything . No chemist mixes the ... materials must be difficult to attain . The homogeneous nature of steel , as compared . with the many - pieced structure of ...
... Material thus obtained is compared with wrought iron made from anything and everything . No chemist mixes the ... materials must be difficult to attain . The homogeneous nature of steel , as compared . with the many - pieced structure of ...
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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