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 7
Page 136
... drawing of the object to be engraved is first made on lithograpłe , stone in ... roller charged with a greasy ink is passed over it , the ink adhering to the ... roller , after which it is slightly warmed to cause the ink to run ...
... drawing of the object to be engraved is first made on lithograpłe , stone in ... roller charged with a greasy ink is passed over it , the ink adhering to the ... roller , after which it is slightly warmed to cause the ink to run ...
Page 203
... roller and feeder of the finisher - card is about 16 to 1 , so that , being fed by twelve slivers , each measuring ... Drawing - Frame . The next process after carding is to have the fibres of jute drawn out straight and laid parallel ...
... roller and feeder of the finisher - card is about 16 to 1 , so that , being fed by twelve slivers , each measuring ... Drawing - Frame . The next process after carding is to have the fibres of jute drawn out straight and laid parallel ...
Page 204
... drawing - roller and the pressing - roller above it , the former being made of steel , about 2 inches in diameter , and the latter generally of cast - iron covered with leather about 8 inches in diameter . These rollers , which are ...
... drawing - roller and the pressing - roller above it , the former being made of steel , about 2 inches in diameter , and the latter generally of cast - iron covered with leather about 8 inches in diameter . These rollers , which are ...
Page 205
... drawing - frame , and , therefore , it is more convenient to unite the slivers from two gills upon a doubling - plate arranged for the pur- pose in front of the drawing - roller , and so to deliver the sliver from all the eight gills ...
... drawing - frame , and , therefore , it is more convenient to unite the slivers from two gills upon a doubling - plate arranged for the pur- pose in front of the drawing - roller , and so to deliver the sliver from all the eight gills ...
Page 206
... drawing - rollers and revolve at a speed of about 600 revolutions per minute . Inside the flyer , and turning freely ... roller must be arranged so as to deliver one inch for each revolution of the flyer , and the speed of the bobbin must be ...
... drawing - rollers and revolve at a speed of about 600 revolutions per minute . Inside the flyer , and turning freely ... roller must be arranged so as to deliver one inch for each revolution of the flyer , and the speed of the bobbin must be ...
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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