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] |
From inside the book
Page 13
... employed the two side bays of the gate , and it reached seventy - one per cent . , when we used only that of the middle , ( see series A , B. ) IV . For an expense of ( 300 litres ) 18,300 cubic inches , there is not much difference ...
... employed the two side bays of the gate , and it reached seventy - one per cent . , when we used only that of the middle , ( see series A , B. ) IV . For an expense of ( 300 litres ) 18,300 cubic inches , there is not much difference ...
Page 33
... employed on board the Portsmouth , it is manifest that the steam chimney was defective long prior to the time of the explosion ; it appears to the committee that the certificate of the inspector at the port of New York , ( a copy of ...
... employed on board the Portsmouth , it is manifest that the steam chimney was defective long prior to the time of the explosion ; it appears to the committee that the certificate of the inspector at the port of New York , ( a copy of ...
Page 56
... employed . I also use a sliding shutter , which is placed in front of the furnace , so that it may be brought down as required . My improvement in the manufacturing of the steel , after the process of cementation has been completed ...
... employed . I also use a sliding shutter , which is placed in front of the furnace , so that it may be brought down as required . My improvement in the manufacturing of the steel , after the process of cementation has been completed ...
Page 57
... employing the heated air which es- capes through the eduction tubes , so as to render such air effective in converting the combustible fluid employed into vapor . " 27. For a combination of matter constituting a Cement , or Pigment , to ...
... employing the heated air which es- capes through the eduction tubes , so as to render such air effective in converting the combustible fluid employed into vapor . " 27. For a combination of matter constituting a Cement , or Pigment , to ...
Page 58
... employed in mortising machines for holding and carrying the chisels , and the two chisels for cutting tenons , to the other end of the said head , so that by simply reversing the head the machine can be employed for either purpose ...
... employed in mortising machines for holding and carrying the chisels , and the two chisels for cutting tenons , to the other end of the said head , so that by simply reversing the head the machine can be employed for either purpose ...
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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...