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 4
... resistance from friction or other cause . ] But as one of the pulleys presents a resistance to being turned , and the other , impelled by some motor through its shaft , takes up and overcomes this resistance through the belt , the ...
... resistance from friction or other cause . ] But as one of the pulleys presents a resistance to being turned , and the other , impelled by some motor through its shaft , takes up and overcomes this resistance through the belt , the ...
Page 9
... resistance , according to experiments made , is in a less ratio than that of the simple velocity , so that the boiler need not exceed the limit of space afforded . The ordinary locomotive boilers do not exceed 1100 feet of heating ...
... resistance , according to experiments made , is in a less ratio than that of the simple velocity , so that the boiler need not exceed the limit of space afforded . The ordinary locomotive boilers do not exceed 1100 feet of heating ...
Page 13
... resistance , and velocities greater than 80 miles an hour , which is about 7000 feet per minute , are in use in various kinds of machinery ,. to wit : fan - blowers , circular saws , etc. The writer believes that before the expiration ...
... resistance , and velocities greater than 80 miles an hour , which is about 7000 feet per minute , are in use in various kinds of machinery ,. to wit : fan - blowers , circular saws , etc. The writer believes that before the expiration ...
Page 41
... resistance per millimetre square , and 70 per cent . of con- traction . It is to be regretted that the figures relative to still more phos- phoric runs have not been communicated . That which characterizes these very interesting ...
... resistance per millimetre square , and 70 per cent . of con- traction . It is to be regretted that the figures relative to still more phos- phoric runs have not been communicated . That which characterizes these very interesting ...
Page 60
... resistance to flexure and which prevents the escape of water through the valve . In order to ascertain the precise moment when the piston is raised , he fixed upon the frame an insulated copper screw , against which the lever struck at ...
... resistance to flexure and which prevents the escape of water through the valve . In order to ascertain the precise moment when the piston is raised , he fixed upon the frame an insulated copper screw , against which the lever struck at ...
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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