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 36
... present state of the world exhibits a more general diffusion of those gifts , and the classes of society that were formerly chained to the soil , or still more effectually chained to the will of a despot , now control the destinies of ...
... present state of the world exhibits a more general diffusion of those gifts , and the classes of society that were formerly chained to the soil , or still more effectually chained to the will of a despot , now control the destinies of ...
Page 42
... present king of the French has within that period supported himself by the labor of his own hands ; the rich and noble of Europe , driven from their homes and possessions by the arms of a successful soldier of fortune , have become ...
... present king of the French has within that period supported himself by the labor of his own hands ; the rich and noble of Europe , driven from their homes and possessions by the arms of a successful soldier of fortune , have become ...
Page 77
... present day are becoming fully convinced , and the splendid example now set before them by Charles Barry , Esq . , should at least induce all who have hitherto been in- different to the advantages of this material in the essential ...
... present day are becoming fully convinced , and the splendid example now set before them by Charles Barry , Esq . , should at least induce all who have hitherto been in- different to the advantages of this material in the essential ...
Page 115
... present con- dition of things , unavailable , on account of the low price of fuel , and the difficulty of communication . They are , therefore , put to use by burning them standing , and withdrawing the common potash from their ashes by ...
... present con- dition of things , unavailable , on account of the low price of fuel , and the difficulty of communication . They are , therefore , put to use by burning them standing , and withdrawing the common potash from their ashes by ...
Page 137
... present , either in the ingredients used , or in the paper itself . It is not , as I origi- nally supposed , due to the presence of free tartaric acid . The pictures in this state are not permanent . They fade in the dark , though with ...
... present , either in the ingredients used , or in the paper itself . It is not , as I origi- nally supposed , due to the presence of free tartaric acid . The pictures in this state are not permanent . They fade in the dark , though with ...
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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.-"What I 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 oven oxide pass Philadelphia piece pipe piston placed plate present pressure produced puddling furnace purpose quantity rails railway rollers screw secure by letters shaft side slide solution 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...