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 76
... weight of merchandize conveyed in each train exceeds one hundred tons , and the haulage of this for one mile is ef fected by the consumption of less than one - half cwt . of coal ; conse- quently , the power of hauling one ton of goods ...
... weight of merchandize conveyed in each train exceeds one hundred tons , and the haulage of this for one mile is ef fected by the consumption of less than one - half cwt . of coal ; conse- quently , the power of hauling one ton of goods ...
Page 80
... weight of train , along a given gradient , at a given speed , was a question of which the solution was essential to sound engineering , but the profession had long felt that they were not in possession of sufficient data to determine ...
... weight of train , along a given gradient , at a given speed , was a question of which the solution was essential to sound engineering , but the profession had long felt that they were not in possession of sufficient data to determine ...
Page 88
... weight transferred on to the slides , instead of pushing the log with its whole weight laterally . 21. For an improvement in Door Locks ; Linus Yale , Springfield , Hampden county , Mass . , June 13 . We have here a rotating permutation ...
... weight transferred on to the slides , instead of pushing the log with its whole weight laterally . 21. For an improvement in Door Locks ; Linus Yale , Springfield , Hampden county , Mass . , June 13 . We have here a rotating permutation ...
Page 93
... weight and momentum , cuts the stone which passes under it on a carriage ; side cutters of a similar construc- tion are attached , and vibrate horizontally to cut the sides of the stone . " These cutters are attached to stocks that ...
... weight and momentum , cuts the stone which passes under it on a carriage ; side cutters of a similar construc- tion are attached , and vibrate horizontally to cut the sides of the stone . " These cutters are attached to stocks that ...
Page 115
... weight of water , then decanted ; the decanted liquor eva- porated to dryness , and the potash thus obtained , calcined at a heat high enough to frit it . Finally , to obtain the finest potash , or that of the first quality , treat the ...
... weight of water , then decanted ; the decanted liquor eva- porated to dryness , and the potash thus obtained , calcined at a heat high enough to frit it . Finally , to obtain the finest potash , or that of the first quality , treat the ...
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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 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...