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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Page 3
... , P. M. , while the same pole of the needle without doors moved over 27.5 minutes : suddenly obeying the force which had already moved the needle without doors , the variation diminishes 5.5 ' of Disturbance of the Needle during an Aurora .
... , P. M. , while the same pole of the needle without doors moved over 27.5 minutes : suddenly obeying the force which had already moved the needle without doors , the variation diminishes 5.5 ' of Disturbance of the Needle during an Aurora .
Page 35
... force . The instrument is easy to tune , and may be used for leading with all the advantages of the violin , and is , from the manner of holding it , more congenial to the dignity of the place of performance than that of the violin ...
... force . The instrument is easy to tune , and may be used for leading with all the advantages of the violin , and is , from the manner of holding it , more congenial to the dignity of the place of performance than that of the violin ...
Page 53
... force to impel the piston with as much effect , during all that great extent of expansive action , as can be done in Mr. Watt's engines when the expansion is only from one space into two ; hence Mr. Woolf's system renders the expansive ...
... force to impel the piston with as much effect , during all that great extent of expansive action , as can be done in Mr. Watt's engines when the expansion is only from one space into two ; hence Mr. Woolf's system renders the expansive ...
Page 56
... force of one man applied in drawing the door into firmer contact with the weights ; and with the united force of two men , thus applied in the impingement , there was no difficulty in raising the lever with the hand . No im- portance ...
... force of one man applied in drawing the door into firmer contact with the weights ; and with the united force of two men , thus applied in the impingement , there was no difficulty in raising the lever with the hand . No im- portance ...
Page 60
... force pump . The steam was blown off at Saybrook while lying to for the purpose of loosening the binders of the lifting rods . This was before landing at Saybrook Point . The position of the bulk head did not 60 Explosion of the Steam ...
... force pump . The steam was blown off at Saybrook while lying to for the purpose of loosening the binders of the lifting rods . This was before landing at Saybrook Point . The position of the bulk head did not 60 Explosion of the Steam ...
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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
Popular passages
Page 99 - Tis education forms the common mind ; Just as the twig is bent the tree's inclined.
Page 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...
Page 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...
Page 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.
Page 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...
Page 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...
Page 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.
Page 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...
Page 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...
Page 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.