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 66
Page 6
... minutes . Sixty miles an hour , as it strikes the ear , does not seem an impossi- bility , but if we look at it in all its bearings , and consider that it means one mile in one minute , or 60 miles in 60 consecutive minutes , it begins ...
... minutes . Sixty miles an hour , as it strikes the ear , does not seem an impossi- bility , but if we look at it in all its bearings , and consider that it means one mile in one minute , or 60 miles in 60 consecutive minutes , it begins ...
Page 7
... minutes continuously , and with a reasonable degree of safety , some modification in the form of engine as now built must be made . The road bed must also be in the best condition attainable , and as straight as possible , and if curves ...
... minutes continuously , and with a reasonable degree of safety , some modification in the form of engine as now built must be made . The road bed must also be in the best condition attainable , and as straight as possible , and if curves ...
Page 9
... minute with a 2 foot stroke and 5 feet diameter driving wheels , giving about fifty - nine miles per hour ; but with driving wheels 63 feet diame- ter , and the same piston speed , the running rate would be about sixty- nine miles per ...
... minute with a 2 foot stroke and 5 feet diameter driving wheels , giving about fifty - nine miles per hour ; but with driving wheels 63 feet diame- ter , and the same piston speed , the running rate would be about sixty- nine miles per ...
Page 10
... minute , and a mean effective pressure of about 35 pounds per square inch , the tractive power exerted will be 182 ... minutes between Philadelphia and New York would not be considered as remarkable , provided the track was always ...
... minute , and a mean effective pressure of about 35 pounds per square inch , the tractive power exerted will be 182 ... minutes between Philadelphia and New York would not be considered as remarkable , provided the track was always ...
Page 11
... minutes was consumed in reaching Wayne Station , distance , 4.3 miles , rate of speed , per hour , 27.15 miles ... minutes , rate of speed 63 miles per hour . Yardley to Trenton Junction , distance 2 miles , time 24 minutes , rate ...
... minutes was consumed in reaching Wayne Station , distance , 4.3 miles , rate of speed , per hour , 27.15 miles ... minutes , rate of speed 63 miles per hour . Yardley to Trenton Junction , distance 2 miles , time 24 minutes , rate ...
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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