Journal of the Franklin InstituteFranklin Institute, 1842 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 8
... fire wood , ( about eleven cords weighing eighteen tons , ) the charge is for the whole distance , ( forty - five miles , ) fifteen dollars , or at the rate of 1.85 cents per ton per mile . The charge for coal is ninety- three cents per ...
... fire wood , ( about eleven cords weighing eighteen tons , ) the charge is for the whole distance , ( forty - five miles , ) fifteen dollars , or at the rate of 1.85 cents per ton per mile . The charge for coal is ninety- three cents per ...
Seite 18
... fire in 1759 ; regarding it , Smeaton states that Rudyerd " judi- ciously laid hold of the great principle of engineering , " that " weight is the most naturally and effectually resisted by weight , " and accordingly formed his light ...
... fire in 1759 ; regarding it , Smeaton states that Rudyerd " judi- ciously laid hold of the great principle of engineering , " that " weight is the most naturally and effectually resisted by weight , " and accordingly formed his light ...
Seite 59
... fire chamber with grated openings through the anterior part thereof , and combined therewith an ash pit drawer having a flat plate in front of sufficient width to cover these openings , and an aperture in the rear for the purpose of ...
... fire chamber with grated openings through the anterior part thereof , and combined therewith an ash pit drawer having a flat plate in front of sufficient width to cover these openings , and an aperture in the rear for the purpose of ...
Seite 61
... fire place , or chamber of combustion , as in the greater number of cooking stoves ; but in my cabooses , or stoves , I do not allow of a direct draught from the fire to pass under the oven , but cause the whole of the heated air ...
... fire place , or chamber of combustion , as in the greater number of cooking stoves ; but in my cabooses , or stoves , I do not allow of a direct draught from the fire to pass under the oven , but cause the whole of the heated air ...
Seite 62
... fire being fed with air through two tubes branching out from each side of the ash pit . " The furnace , as improved , is cylin- drical , and a semi - cylindrical tube passes down the middle of it , from near the top to the ash pit ...
... fire being fed with air through two tubes branching out from each side of the ash pit . " The furnace , as improved , is cylin- drical , and a semi - cylindrical tube passes down the middle of it , from near the top to the ash pit ...
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Seite 172 - 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 130 - 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.
Seite 132 - The declaration was in the usual form, and the defendants pleaded thereto, first, that they were not guilty; secondly, that the plaintiff was not the...
Seite 174 - 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 351 - Such oath may be made before any person within the United States authorized by law to administer oaths, or, when the applicant resides in a foreign country, before any minister, charge d'affaires, consul, or commercial agent holding commission under the Government of the United States...
Seite 195 - ... but what I do claim, and desire to secure by letters patent, is the peculiar construction of the heat reflecting oven, as described, in combination with the two semi-circular stoves, with funnel-shaped caps, for saving fuel and cooking expeditiously, as before described.
Seite 119 - What I claim as my invention, and which I desire to secure by letters patent, is the...
Seite 261 - After describing the different parts of the machine, he sums up by saying; having thus fully described the nature and operation of my machine for breaking and screening coal, what I claim as new therein, and desire to secure by letters patent is, the manner in which I have arranged and combined with each other Ihe breaking rollers and the screen; the respective parts being formed and operating substantially as herein set forth and made known.
Seite 350 - ... any new and original design for a manufacture, whether of metal or other material or materials ; or any new and original design for the printing of woollen, silk, cotton, or other fabrics; or any new and original design for a bust, statue, or...
Seite 349 - AN ACT In addition to an Act to promote the progress of the Useful Arts, and to Repeal all Acts and parts of Acts heretofore made for that purpose.