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 65
Page 21
... necessary to provide for filling the tenders with water when the train was in rapid motion . Mr. Ramsbottom conceived the idea of placing a pair of cast iron troughs , about 1500 feet long , on a level part of the road ; each end about ...
... necessary to provide for filling the tenders with water when the train was in rapid motion . Mr. Ramsbottom conceived the idea of placing a pair of cast iron troughs , about 1500 feet long , on a level part of the road ; each end about ...
Page 35
... necessary to increase the basic additions in order to absorb the great quantity of silica thus produced , for there cannot be left more than 20 per cent . of silica in the slag without endangering the stability of the phosphates formed ...
... necessary to increase the basic additions in order to absorb the great quantity of silica thus produced , for there cannot be left more than 20 per cent . of silica in the slag without endangering the stability of the phosphates formed ...
Page 41
... necessary to the operation - silicon and manganese - the first having a calorific power of 7830 , according to recent researches of Troost and Hautefeuille , and the second of 8000 , according to the same authors . The engineers of ...
... necessary to the operation - silicon and manganese - the first having a calorific power of 7830 , according to recent researches of Troost and Hautefeuille , and the second of 8000 , according to the same authors . The engineers of ...
Page 42
... necessary to the operation ( M. Gautier presented to the meeting specimens of phosphuret of iron containing 22 per cent . of phospho- rus . It is silver white , iridescent upon fracture , and very difficult to attack with acids ) . The ...
... necessary to the operation ( M. Gautier presented to the meeting specimens of phosphuret of iron containing 22 per cent . of phospho- rus . It is silver white , iridescent upon fracture , and very difficult to attack with acids ) . The ...
Page 43
... necessary . The dolo- mite of Rühr , which they employ , is neither rare nor costly , but 5 tons of coal are necessary to bake 1 ton of bricks . These basic linings resist for a hundred operations ; this is already a splendid result ...
... necessary . The dolo- mite of Rühr , which they employ , is neither rare nor costly , but 5 tons of coal are necessary to bake 1 ton of bricks . These basic linings resist for a hundred operations ; this is already a splendid result ...
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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