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 46
... combined powers of letters , as a2c2e , a2c2 & c . Let N be the co - efficient of a2dc2 and put cm + n , then Na2ec2 Na2d ... combination of the powers of the letters , which enter into the development of the involved polynomial , will ...
... combined powers of letters , as a2c2e , a2c2 & c . Let N be the co - efficient of a2dc2 and put cm + n , then Na2ec2 Na2d ... combination of the powers of the letters , which enter into the development of the involved polynomial , will ...
Seite 54
... combination of a porta- ble oven with a cooking stove , as this is not new , but the combining the oven with the stove in the manner herein set forth , so that the draught from the stove shall pass up on one end of the oven , over the ...
... combination of a porta- ble oven with a cooking stove , as this is not new , but the combining the oven with the stove in the manner herein set forth , so that the draught from the stove shall pass up on one end of the oven , over the ...
Seite 57
... combination and general arrangement of the head knives , cutters , and spring gauge , constructed and arranged as above set forth and described , without reference to the particular form of the cutting edges of the cutters for the ...
... combination and general arrangement of the head knives , cutters , and spring gauge , constructed and arranged as above set forth and described , without reference to the particular form of the cutting edges of the cutters for the ...
Seite 58
... combination of the furnace and kettle with the moulds , and also to the combination and arrangement of the moulds with the carriage . 10. For an improvement in the Windlass Bedstead ; Thomas Lamb , Washington , District of Columbia ...
... combination of the furnace and kettle with the moulds , and also to the combination and arrangement of the moulds with the carriage . 10. For an improvement in the Windlass Bedstead ; Thomas Lamb , Washington , District of Columbia ...
Seite 59
... 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 admitting air , the whole operating in the manner set forth . And in combination ...
... 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 admitting air , the whole operating in the manner set forth . And in combination ...
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ammonia apparatus applied arrangement attached axle boiler bottom bridge carbonic acid cars cast iron cent centre Certificate of Honorable chimney claim Cloudy combination Committee constructed copper cost curved cylinder described desire to secure diameter driving wheels effect employed engines experiments feet fire flue frame Franklin Institute furnace heat Honorable Mention horizontal improvement inches invention joint length letters patent lever locomotive lower machine manner manufacture mastic means metal miles mode motion nitric acid operation oven oxide pass Pennsylvania Philadelphia pieces pipe piston placed plate present pressure produced puddling furnace purpose quantity rail railroad railway reaction wheel revolving road roller screw secure by letters shaft side slide Spark Arrester spring steam stone stove sulphuric acid surface thickness timber tion tons truss tube turbine upper valve velocity vertical vessel water wheels weight wheel white lead whole wrought iron
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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.