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 17
... usual place of deposit , and no danger was apprehended from this practice . One evening about sunset , smoke was perceived to issue from the body of ashes , and it was at first supposed that one of the domestics had , contrary to strict ...
... usual place of deposit , and no danger was apprehended from this practice . One evening about sunset , smoke was perceived to issue from the body of ashes , and it was at first supposed that one of the domestics had , contrary to strict ...
Página 30
... usual construction .. The breast , or bars through which the saws work , are , in preference , made of one piece of metal , with slits cut therein ; they , however , may be formed of separate bars , rivetted or otherwise joined ...
... usual construction .. The breast , or bars through which the saws work , are , in preference , made of one piece of metal , with slits cut therein ; they , however , may be formed of separate bars , rivetted or otherwise joined ...
Página 32
... usual way , are in the form of a vertical circle , furnished with slots and holes which enable the surveyor to take in elevations and depressions which cannot be sighted by the ordinary instrument . It has , some- times , a movable limb ...
... usual way , are in the form of a vertical circle , furnished with slots and holes which enable the surveyor to take in elevations and depressions which cannot be sighted by the ordinary instrument . It has , some- times , a movable limb ...
Página 40
... usual way , its lower side being in the form of a trunca- ted cone , adapted for the bed stone ; the runner may be raised to any required height above the bed stone , and the 40 American Patents for July , with Remarks .
... usual way , its lower side being in the form of a trunca- ted cone , adapted for the bed stone ; the runner may be raised to any required height above the bed stone , and the 40 American Patents for July , with Remarks .
Página 45
... usual manner in any proportions between fifty per cent . of copper , to fifty per cent . of zinc , and sixty - three per cent . of copper to thirty - seven per cent . of zinc ; both of which extremes , and all intermediate proportions ...
... usual manner in any proportions between fifty per cent . of copper , to fifty per cent . of zinc , and sixty - three per cent . of copper to thirty - seven per cent . of zinc ; both of which extremes , and all intermediate proportions ...
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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.