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 10
... action , is a fact well known ; to measure this force with precision is from the nature of things im- possible , and hence it is only by a close attention to the observed effect produced by the waves of storms , upon opposing 10 Civil ...
... action , is a fact well known ; to measure this force with precision is from the nature of things im- possible , and hence it is only by a close attention to the observed effect produced by the waves of storms , upon opposing 10 Civil ...
Seite 11
... action of storms upon such portions of that work as were then elevated above low water mark ; the results of these ob- servations we will now detail , merely premising first such brief ac- count of the work itself as seems necessary to ...
... action of storms upon such portions of that work as were then elevated above low water mark ; the results of these ob- servations we will now detail , merely premising first such brief ac- count of the work itself as seems necessary to ...
Seite 14
... action of the sea , with their longer axes tending towards the point of the strongest wind , or to the north - east , with their ends often lapping over each other , in form slightly resembling the shingling of a house , and after ...
... action of the sea , with their longer axes tending towards the point of the strongest wind , or to the north - east , with their ends often lapping over each other , in form slightly resembling the shingling of a house , and after ...
Seite 16
... action of waves , not surpassing twenty feet in height . Breakwaters are , however , occasionally subject to augmented vio- * Corroborative of this calculation , we find it stated in Lyell's Principles of Geology , that " on the Isle of ...
... action of waves , not surpassing twenty feet in height . Breakwaters are , however , occasionally subject to augmented vio- * Corroborative of this calculation , we find it stated in Lyell's Principles of Geology , that " on the Isle of ...
Seite 18
... action of the sea , the Eddystone Light - house is equivalent to a solid column of stone fifty feet in altitude . Now from the above reasoning , 50 × 27-10 , or 135 feet , is the altitude of the wave , whose upward hydrostatic action ...
... action of the sea , the Eddystone Light - house is equivalent to a solid column of stone fifty feet in altitude . Now from the above reasoning , 50 × 27-10 , or 135 feet , is the altitude of the wave , whose upward hydrostatic action ...
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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.