Journal of the Franklin InstituteFranklin Institute, 1841 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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1.–5. rezultāts no 86.
13. lappuse
... opening into the external air . The close cylinder in which the fire is thus maintained is surround- ed by the boiler , whether it be vertical or horizontal , and is always enveloped by water . The gaseous products of the combustion ...
... opening into the external air . The close cylinder in which the fire is thus maintained is surround- ed by the boiler , whether it be vertical or horizontal , and is always enveloped by water . The gaseous products of the combustion ...
26. lappuse
... ; or the same effect may be produced by alternately opening and shutting the door of a darkened lanthorn containing the light . Another arrangement of mechanism for producing the same effect , 26 Mechanics ' Register .
... ; or the same effect may be produced by alternately opening and shutting the door of a darkened lanthorn containing the light . Another arrangement of mechanism for producing the same effect , 26 Mechanics ' Register .
28. lappuse
... opening and closing a door or shutter in a dark lan- thorn , enclosing the flame , and may be done by a suitable machine , having an alternate motion from any part of the machinery . Another mode is to cause the intermitting or flashing ...
... opening and closing a door or shutter in a dark lan- thorn , enclosing the flame , and may be done by a suitable machine , having an alternate motion from any part of the machinery . Another mode is to cause the intermitting or flashing ...
29. lappuse
... opening and closing the valves , cocks , or taps of the gas pipes , and thereby causing an intermitting or interrupted light ; and also the improved apparatus or mechanism , whereby we obtain the same ef- fect , by the revolving or ...
... opening and closing the valves , cocks , or taps of the gas pipes , and thereby causing an intermitting or interrupted light ; and also the improved apparatus or mechanism , whereby we obtain the same ef- fect , by the revolving or ...
48. lappuse
... openings for feeding in the stone and coal at the mouth of the kiln ; upon this plan , a kiln of any length might be constructed with numerous round mouths . From the great ex- pense attending the driving of fuel from a distance of ...
... openings for feeding in the stone and coal at the mouth of the kiln ; upon this plan , a kiln of any length might be constructed with numerous round mouths . From the great ex- pense attending the driving of fuel from a distance of ...
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3RD SERIES.-No acid alidade angle anthracite aperture apparatus applied arrangement attached boat boiler bolt bottom buckets Budweis canal carbonate cast iron cent centre claim Clear-do coal colour combination connected consists construction copper cubic yards cylinder described desire to secure diameter distance dollars driving wheels effect to power engine experiments feet flues frame Franklin Institute furnace gate head heat horizontal improvement inches invention length letters patent lever lime machine manner matter means metal miles mode motion observed oleic acid operation overshot pass passengers patentee says Pennsylvania percussion cap piece Pig metal pipe piston placed plate present purpose quantity rail railroad railway ratio of effect revolving road roller screw secure by letters shaft side sliding steam steam engines steamboats stove sulphuric acid surface tion tons trees tube upper valve velocity vertical vessels weight wheel whole wood wrought iron York
Populāri fragmenti
196. lappuse - To gild refined gold, to paint the lily, To throw a perfume on the violet, To smooth the ice, or add another hue Unto the rainbow, or with taper-light To seek the beauteous eye of heaven to garnish, Is wasteful, and ridiculous excess.
116. lappuse - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
346. lappuse - And it shall be the duty of said judge, after a hearing of any such case, to return all the papers to the Commissioner, with a certificate of his proceedings and decision, which shall be entered of record in the Patent Office ; and such decision, so certified shall govern the further proceedings of the Commissioner in such case...
415. lappuse - ... without neglect or fault on his part, having" failed to obtain, from the use and sale of his invention, a reasonable remuneration for the time, ingenuity, and expense bestowed upon the same, and the introduction thereof into use...
205. lappuse - What we claim as our invention, and desire to secure...
414. lappuse - But before any inventor shall receive a patent for any such new invention or discovery, he shall deliver a written description of his invention or discovery, and of the manner and process of making, constructing, using, and compounding the same, in such full, clear, and exact terms, avoiding unnecessary prolixity, as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct...
193. lappuse - What I claim as my invention, and desire to secure by letters patent, is the manner in which I have arranged and combined the...
12. lappuse - 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 — "An improved Axle box," invented by Robert McWilliams and assigned to Samuel W.
97. lappuse - 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, two reflecting telescopes, made by Mr.
304. lappuse - Was it a soothing or a mournful thought, Amid this scene of slaughter as we stood, Where armies had with recent fury fought, To mark how gentle Nature still pursued Her quiet course, as if she took no care For what her noblest work had suffer'd there.