Journal of the Franklin Institute, Հատոր 80,Հատոր 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] |
From inside the book
Արդյունքներ 37–ի 1-ից 5-ը:
Էջ 6
... miles between Philadelphia and New York in 90 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 ...
... miles between Philadelphia and New York in 90 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 ...
Էջ 7
... miles in sixty 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 ...
... miles in sixty 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 ...
Էջ 9
... mile , as well as the centrifugal force . In the ordinary locomotive with small and coupled driving wheels , the ... miles per hour . No more adhesion is required at high than at low speeds , assuming the load to be the same . The ...
... mile , as well as the centrifugal force . In the ordinary locomotive with small and coupled driving wheels , the ... miles per hour . No more adhesion is required at high than at low speeds , assuming the load to be the same . The ...
Էջ 10
... miles per hour , on an ordinary road , which cor- responds to about 258 revolutions , or a piston speed of 1034 feet per minute , and a mean effective pressure of about 35 pounds per square inch , the tractive power exerted will be 182 ...
... miles per hour , on an ordinary road , which cor- responds to about 258 revolutions , or a piston speed of 1034 feet per minute , and a mean effective pressure of about 35 pounds per square inch , the tractive power exerted will be 182 ...
Էջ 11
... miles , rate of speed , per hour , 27.15 miles . Wayne Station to Jenkintown , distance 5.8 miles , time 6.75 min- utes , rate of speed 51 miles per hour . Jenkintown to Yardley , distance 20 miles , time 19 minutes , rate of speed 63 miles ...
... miles , rate of speed , per hour , 27.15 miles . Wayne Station to Jenkintown , distance 5.8 miles , time 6.75 min- utes , rate of speed 51 miles per hour . Jenkintown to Yardley , distance 20 miles , time 19 minutes , rate of speed 63 miles ...
Այլ խմբագրություններ - View all
Common terms and phrases
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