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, 1836 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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Seite 10
... bottom that the level of the water was indicated , unless when very low indeed . The position of the lower communication of the gauge with the boiler soon * The application of such a gauge to a locomotive engine can give but little idea ...
... bottom that the level of the water was indicated , unless when very low indeed . The position of the lower communication of the gauge with the boiler soon * The application of such a gauge to a locomotive engine can give but little idea ...
Seite 14
... bottom of the boiler for the most part red hot , the trials were repeated . It will be seen from the following table , that the result was uniformly a di- minished elasticity of the steam within , as shown by the fall of the mercury in ...
... bottom of the boiler for the most part red hot , the trials were repeated . It will be seen from the following table , that the result was uniformly a di- minished elasticity of the steam within , as shown by the fall of the mercury in ...
Seite 16
Temperature of Appearance of Water injected therinometer bottom of boiler . in fuid ounces . near bottom . Pressure produced by injection . Temperature of Steam produced Atmospheres . by injection . 306 Black . 2 3.3 336 ° F. Do. Do ...
Temperature of Appearance of Water injected therinometer bottom of boiler . in fuid ounces . near bottom . Pressure produced by injection . Temperature of Steam produced Atmospheres . by injection . 306 Black . 2 3.3 336 ° F. Do. Do ...
Seite 15
... bottom was gradually raised . At different temperatures of the bottom , water was thrown in by the forcing pump , and the effect of a given quantity , on the gauge , noted . The temperature of the steam generated , was ascertained by a ...
... bottom was gradually raised . At different temperatures of the bottom , water was thrown in by the forcing pump , and the effect of a given quantity , on the gauge , noted . The temperature of the steam generated , was ascertained by a ...
Seite 16
... bottom of boiler . in fluid ounces . near bottom . Pressure produced by injection . Temperature of Steam produced Atmospheres . by injection . 306 Black . 2 3.3 336 ° F. Do. Do. 3.4 340 330 Do. Do. 3.3 356 Red in part . Do. 3.7 362 348 ...
... bottom of boiler . in fluid ounces . near bottom . Pressure produced by injection . Temperature of Steam produced Atmospheres . by injection . 306 Black . 2 3.3 336 ° F. Do. Do. 3.4 340 330 Do. Do. 3.3 356 Red in part . Do. 3.7 362 348 ...
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Seite 156 - ... 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, and shall particularly specify and point out the part, improvement, or combination which he claims as his own invention or discovery.
Seite 325 - 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...
Seite 28 - 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.
Seite 246 - 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.
Seite 161 - ... it shall be the duty of the commissioner to renew and extend the patent, by making a certificate thereon of such extension...
Seite 94 - If nature has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea, which an individual may exclusively possess as long as he keeps it to himself; but the moment it is divulged, it forces itself into the possession of every one, and the receiver cannot dispossess himself of it.
Seite 162 - And be it further enacted, That there shall be provided, for the use of said office, a library of scientific works and periodical publications, both foreign and American, calculated to facilitate the discharg'e of the duties hereby required of the chief officers therein, to be purchased under the direction of the Committee of the Library of Congress.
Seite 160 - ... tending to prove that the description and specification filed by the plaintiff, does not contain the whole truth relative to his invention or discovery , or that it contains more than is necessary to produce the described effect; which concealment or addition shall fully appear to have been made for the purpose of deceiving the public...
Seite 159 - And in case of his death, or any assignment by him made of the original patent, a similar right shall vest in his executors, administrators, or assignees.
Seite 159 - And the patent, so reissued, together with the corrected description and specification, shall have the same effect and operation in law, on the trial of all actions hereafter commenced for causes subsequently accruing, as though the same had been originally filed in such corrected form, before the issuing out of the original patent.