Journal of the Franklin Institute, Volume 9Pergamon Press, 1845 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 12
bly considered as equal to the useful effect transmitted by the wheel . The precautions known to be necessary in applying the brake , were scrupulously observed . The numbers inscribed in the table relate to the periods , during which ...
bly considered as equal to the useful effect transmitted by the wheel . The precautions known to be necessary in applying the brake , were scrupulously observed . The numbers inscribed in the table relate to the periods , during which ...
Page 15
... Effect , or Power available , per second . Ratio of the Useful Effect to the Power Expended . Mean of these Ratios by Series . Met . Kil . Kil . Kil . 794 64 1 876 71 80 105 176 80 0 71 6 1 608 66 135 206 80 0 72 0 71 5 26 1 410 66 165 ...
... Effect , or Power available , per second . Ratio of the Useful Effect to the Power Expended . Mean of these Ratios by Series . Met . Kil . Kil . Kil . 794 64 1 876 71 80 105 176 80 0 71 6 1 608 66 135 206 80 0 72 0 71 5 26 1 410 66 165 ...
Page 18
... effect upon the hinder part of the boiler , and near its right side , and by this blow the fire - box , and the part of the boiler surrounding it , had been driven to the left and front , and very much flattened , so as to present the ...
... effect upon the hinder part of the boiler , and near its right side , and by this blow the fire - box , and the part of the boiler surrounding it , had been driven to the left and front , and very much flattened , so as to present the ...
Page 66
... effect would be thereby produced . Such a blast may be derived from a blowing apparatus of any suitable kind , such as are well known , and often used with locomotives ; and I therefore claim the substituting , in the apparatus herein ...
... effect would be thereby produced . Such a blast may be derived from a blowing apparatus of any suitable kind , such as are well known , and often used with locomotives ; and I therefore claim the substituting , in the apparatus herein ...
Page 76
... effect this object , yet , as in the instance of Captain Carpenter , these have all been abandoned before they have produced any practical result ; therefore , I consider that the merit of being the first to apply this power usefully to ...
... effect this object , yet , as in the instance of Captain Carpenter , these have all been abandoned before they have produced any practical result ; therefore , I consider that the merit of being the first to apply this power usefully to ...
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acid ammonia apparatus applied arrangement atmosphere attached boiler bottom cane sugar carbonic carbonic acid carriage cast iron cause cent centre chamber claim coal color combination committee connected consists constructed copper cutter cylinder daguerreotype deposited described desire to secure dextrin diameter effect employed engine exhibited experiments explosion feet fire flue force frame FRANKLIN INSTITUTE friction furnace gases glass heat horizontal hydrogen improvement inches inclined plane invention iron joint letters patent lever liquid machine manner manufacture means metal mode molasses operation oxide pass Philadelphia piece pipe piston placed plate present pressure produced puddling furnace purpose quantity rails railway rollers screw secure by letters shaft side silica slide solution specific gravity specimens steam stove substantially sugar sulphuric acid surface temperature thickness Third Premium tion tons tube upper valve velocity vertical vessel weight wheel whole wood zinc
Popular passages
Page 258 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 92 - What we claim as our invention, and desire to secure...
Page 43 - Happy is the man that findeth wisdom, and the man that getteth understanding. For the merchandise of it is better than the merchandise of silver, and the gain thereof than fine gold.
Page 153 - Committee appointed to inquire into the merits of the atmospheric system of railway have examined the matters to them referred, and have agreed to the following Report. Your Committee have given their best attention to this interesting subject.
Page 105 - ... constructed and arranged substantially in the manner and for the purpose herein set forth.
Page 305 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 371 - I claim the manner in which the bricks are received, compressed, and delivered ; but what I do claim as my invention, and which I desire to secure by letters patent, is the...
Page 266 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Page 177 - ... with the solid portion of the coal. From the chemical changes which take place in the combination of the hydrogen with oxygen, the bulk of the products is found to be to the bulk of the atmospheric air required to furnish the oxygen, as 10 is to 11.
Page 99 - Having thus fully described my invention, what I claim therein as new, and desire to secure by letters patent, is...