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 58
Page 13
... cent . less time going east and twelve per cent .. coming west than that now made by the Pennsylvania Railroad . The advantage of large diameter for driving wheels is in the reduc- tion of the number of revolutions per mile . In the ...
... cent . less time going east and twelve per cent .. coming west than that now made by the Pennsylvania Railroad . The advantage of large diameter for driving wheels is in the reduc- tion of the number of revolutions per mile . In the ...
Page 14
... cent . faster than in this country . With them , 63 feet driving wheels are quite as common as 53 feet wheels are with us ; in fact some of the fast lines have 8 and 9 feet , and one line had 10 feet diameter . Engines with one pair of ...
... cent . faster than in this country . With them , 63 feet driving wheels are quite as common as 53 feet wheels are with us ; in fact some of the fast lines have 8 and 9 feet , and one line had 10 feet diameter . Engines with one pair of ...
Page 35
... cent . of silica , the calorific power of which is very high . But this only places the problem in a deceptive circle . It is necessary to increase the basic additions in order to absorb the great quantity of silica thus produced , for ...
... cent . of silica , the calorific power of which is very high . But this only places the problem in a deceptive circle . It is necessary to increase the basic additions in order to absorb the great quantity of silica thus produced , for ...
Page 36
... cent . of silicon . In conformity with the preceding theory , the disengagement of carbonic oxide , which gave to the opera- tion of overblowing a dangerous character , was entirely removed ; the subsequent addition of the spiegel ...
... cent . of silicon . In conformity with the preceding theory , the disengagement of carbonic oxide , which gave to the opera- tion of overblowing a dangerous character , was entirely removed ; the subsequent addition of the spiegel ...
Page 37
cent . of silicon , and did not permit obtaining all the effect which one might expect . It will be remembered that the experiments at Eston had led to the noting of a singular phenomenon : the metal dephosphorized to 0 · 140 was ...
cent . of silicon , and did not permit obtaining all the effect which one might expect . It will be remembered that the experiments at Eston had led to the noting of a singular phenomenon : the metal dephosphorized to 0 · 140 was ...
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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