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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Page 317
... elastic limit , and reducing its strength to a minimum . 000 3.0 Fia O O OO O осоро ооороо 0 070 0 0 020 o o op oo bo po > c O O 73 000 Fig . 3 . That steam domes are the cause of the weakening of boiler shells we have ample evidence ...
... elastic limit , and reducing its strength to a minimum . 000 3.0 Fia O O OO O осоро ооороо 0 070 0 0 020 o o op oo bo po > c O O 73 000 Fig . 3 . That steam domes are the cause of the weakening of boiler shells we have ample evidence ...
Page 336
... elastic limit P of 12 tons per square inch , an elastic extension e of 0 · 02 inch in a foot of length , and having an ultimate of 22 tons per square inch and a total extension of , say 1 inch , the coefficient e PX 2240 X 12 Te = Te ...
... elastic limit P of 12 tons per square inch , an elastic extension e of 0 · 02 inch in a foot of length , and having an ultimate of 22 tons per square inch and a total extension of , say 1 inch , the coefficient e PX 2240 X 12 Te = Te ...
Page 338
... Elastic limit . Tons per square inch . Unannealed , Annealed , 31.02 28.84 14.50 12.84 Extension per cent . 23.4 24.6 From these figures it will be seen that though this material ( like that used at Messrs . Fowler's Works ) may be very ...
... Elastic limit . Tons per square inch . Unannealed , Annealed , 31.02 28.84 14.50 12.84 Extension per cent . 23.4 24.6 From these figures it will be seen that though this material ( like that used at Messrs . Fowler's Works ) may be very ...
Page 341
... elastic limit , so that comparisons with other materials cannot at present be made . From what has been said , however , it will have been seen that it is very necessary that these figures should be obtained , and what has often been ...
... elastic limit , so that comparisons with other materials cannot at present be made . From what has been said , however , it will have been seen that it is very necessary that these figures should be obtained , and what has often been ...
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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