Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1834 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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Página 11
... cause an elevation in the barometer of .016 of an inch . This will be quite sufficient to cause a negative oscillation of the barometer , if these two hours only were considered , ten in the morning , and three in the afternoon . But it ...
... cause an elevation in the barometer of .016 of an inch . This will be quite sufficient to cause a negative oscillation of the barometer , if these two hours only were considered , ten in the morning , and three in the afternoon . But it ...
Página 14
... cause I do not know , I have never seen him or heard from him since - whether he failed in his after experiments , died , or returned to England , I do not know ; I have not , however , the least doubt that our soil and climate are well ...
... cause I do not know , I have never seen him or heard from him since - whether he failed in his after experiments , died , or returned to England , I do not know ; I have not , however , the least doubt that our soil and climate are well ...
Página 16
... causes of spontaneous combustion , generally ; and with a view particularly to the investigation of those causes that are liable to produce it in cot- ton , woollen , and paper factories , from the stock , or waste , being ac ...
... causes of spontaneous combustion , generally ; and with a view particularly to the investigation of those causes that are liable to produce it in cot- ton , woollen , and paper factories , from the stock , or waste , being ac ...
Página 27
... cause its power to be best ap- plied in that way . The pressure is made by causing an endless screw to revolve ver- tically . This screw is of considerable length , and is fixed in the cen- tre of the frame work of the press , so that ...
... cause its power to be best ap- plied in that way . The pressure is made by causing an endless screw to revolve ver- tically . This screw is of considerable length , and is fixed in the cen- tre of the frame work of the press , so that ...
Página 28
... cause the jointed part to slide readily over the follower , friction rollers are employed . A drawing would be requisite to give a clear idea of the construction of this press , which , from an inspection of the drawing and model , we ...
... cause the jointed part to slide readily over the follower , friction rollers are employed . A drawing would be requisite to give a clear idea of the construction of this press , which , from an inspection of the drawing and model , we ...
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apparatus appears applied arch arrangement ash pit avoirdupois boat boiler boiling bottom bushel carriage cast iron centre claim Clear day committee consists construction copper cylinder described diameter distance drawing edge effect employed engine experiments feet fire flues frame Franklin Institute furnace gallons glass groove half heat horizontal improvement inches intended invention length lever liquid machine machinery magnetic manner manufacture means mercury metal minutes mode motion November 19 observations obtained operation pass patent pendulum Pennsylvania Philadelphia piece pipe piston placed plate pounds present pressure principle produced pump purpose quantity revolving rollers screw shaft side slide specific gravity specific heat specification spring standard steam steam engine stove substance surface temperature thickness tion troy pound tube turpentine upper valve varnish vessel water wheel weights and measures wheel wire wood wrought iron York zinc
Pasajes populares
Página 99 - Tis education forms the common mind ; Just as the twig is bent the tree's inclined.
Página 413 - Now know ye, that in compliance with the said proviso, I, the said Moses Poole, do hereby declare that the nature of the said invention, and the manner in which the same is to be performed...
Página 190 - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are particularly described and ascertained in and by the following statement thereof, reference being had to the Drawing hereunto annexed, and to the figures and letters marked thereon...
Página 411 - Walton do hereby describe the manner in which my said Invention is to be performed by the following statement thereof reference being had to the Drawing annexed and to the figures and letters marked thereon that is to say DESCRIPTION OF THE DRAWING.
Página 374 - And in the case of any machine, he shall fully explain the principle, and the several modes in which he has contemplated the application of that principle or character, by which it may be distinguished from other inventions...
Página 45 - Palmer, do hereby declare, that the nature of my said invention, and the manner in which the same is to be performed, is particularly described and ascertained in and by the following description thereof...
Página 374 - ... in such full, clear, and exact terms, as to distinguish the same from all other things before known, and to enable any person, skilled in the art or science of which it is :•. branch, or with which it is most nearly connected; to make, compound, and use the same.
Página 231 - ... and shall deliver a written description of his invention, and of the manner of using, or process of compounding, the same, in such full, clear, and exact terms, as to distinguish the same from all other things before known...
Página 373 - That any person or persons having discovered or invented any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvement on any art, machine, manufacture, or composition of matter...
Página 222 - ... and every such ship or vessel, with her tackle, apparel, and furniture, together with all materials, arms, ammunition and stores, which may have been procured for the building and equipment thereof, shall be forfeited, one half to the use of the informer, and the other half to the use of the United States.