Journal of the Franklin Institute, 80. sējums;110. sējumsFranklin 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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1.–5. rezultāts no 54.
18. lappuse
... nearly all of these engines , from the fact that all the large - wheeled engines had small boilers , and with a single pair of driving wheels the adhe- sion was in all cases insufficient for the want of a proper distribution of the ...
... nearly all of these engines , from the fact that all the large - wheeled engines had small boilers , and with a single pair of driving wheels the adhe- sion was in all cases insufficient for the want of a proper distribution of the ...
28. lappuse
... nearly all the mineral matter entering with the water during that time , with the exception of what may have been precipitated as scale or sludge . The following are the results of these two very interesting analyses , and show the ...
... nearly all the mineral matter entering with the water during that time , with the exception of what may have been precipitated as scale or sludge . The following are the results of these two very interesting analyses , and show the ...
29. lappuse
... nearly uniform , and noted every half hour , also . The coal thrown into the furnaces , and the refuse therefrom , in ash , clinker , etc. , were carefully weighed . The fires , at the commencement , were started with just wood . enough ...
... nearly uniform , and noted every half hour , also . The coal thrown into the furnaces , and the refuse therefrom , in ash , clinker , etc. , were carefully weighed . The fires , at the commencement , were started with just wood . enough ...
43. lappuse
... nearly white iron . It is necessary , from this point of view , to believe that the phosphorus acts in the same pro- tective way as the silicon , and prevents the reaction of the oxide of iron on the carbon from becoming tooviolent ...
... nearly white iron . It is necessary , from this point of view , to believe that the phosphorus acts in the same pro- tective way as the silicon , and prevents the reaction of the oxide of iron on the carbon from becoming tooviolent ...
53. lappuse
... nearly five - sixths of the metal obtained from their native ores contains so much of this impurity as to unfit it for the manufacture of steel , that form of iron which bids fair to super- sede , in a great measure , the product of the ...
... nearly five - sixths of the metal obtained from their native ores contains so much of this impurity as to unfit it for the manufacture of steel , that form of iron which bids fair to super- sede , in a great measure , the product of the ...
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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