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 163
... the tuyere , and escaped , burning , from the mastic - joints of the air - pipes . The crucible being entirely closed , the flames did not shew themselves at the tympe . A few moments before the accident , the founder thought 163.
... the tuyere , and escaped , burning , from the mastic - joints of the air - pipes . The crucible being entirely closed , the flames did not shew themselves at the tympe . A few moments before the accident , the founder thought 163.
Seite 250
... mastic , and other materials , and are afterwards ground and polished as a stone would be to a perfectly level surface ; by this art not only are orna- ments made on a small scale , but pictures of the largest size are copied . In ...
... mastic , and other materials , and are afterwards ground and polished as a stone would be to a perfectly level surface ; by this art not only are orna- ments made on a small scale , but pictures of the largest size are copied . In ...
Seite 293
... Mastic used upon several Bituminous Works in Europe . The proportions of the ingredients for bituminous mastic , as recom- mended by the authorities referred to in the preceding pages , are very far from being uniform . And this want of ...
... Mastic used upon several Bituminous Works in Europe . The proportions of the ingredients for bituminous mastic , as recom- mended by the authorities referred to in the preceding pages , are very far from being uniform . And this want of ...
Seite 294
... mastic of Seyssel is prepared by mixing nine parts of this asphaltum with one of the mineral tar ( la graisse ) extracted from the sand . The third variety is a compact limestone , in extremely thin , paral- lel beds . It consists of ...
... mastic of Seyssel is prepared by mixing nine parts of this asphaltum with one of the mineral tar ( la graisse ) extracted from the sand . The third variety is a compact limestone , in extremely thin , paral- lel beds . It consists of ...
Seite 295
... mastic paving , at a thickness of of an inch , there will be required- 33.10 pounds of the asphaltic mastic . 18.39 pounds of fine gravel . 0.62 pounds of mineral tar . Or the following proportions may be used : - 36.78 pounds of the ...
... mastic paving , at a thickness of of an inch , there will be required- 33.10 pounds of the asphaltic mastic . 18.39 pounds of fine gravel . 0.62 pounds of mineral tar . Or the following proportions may be used : - 36.78 pounds of the ...
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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.