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
... cost of a new canal boat is 200 dollars . The contractor of the canal has not only to keep the canal , build- ings ... costs , an- nually , near 15,000 dollars . There are many remarkable structures on the Neustadt Canal which deserve to ...
... cost of a new canal boat is 200 dollars . The contractor of the canal has not only to keep the canal , build- ings ... costs , an- nually , near 15,000 dollars . There are many remarkable structures on the Neustadt Canal which deserve to ...
Seite 10
... cost of maintenance is partly sustained from the tolls collected . Constructed in a less expensive and durable manner , but still more extensive are those roads which are built and maintained by the com- munities ; they form innumerable ...
... cost of maintenance is partly sustained from the tolls collected . Constructed in a less expensive and durable manner , but still more extensive are those roads which are built and maintained by the com- munities ; they form innumerable ...
Seite 21
... cost of European iron to so serious an extent that our Board of Directors resolved to manufacture their own rails . About $ 110 per ton would have been the cost of English rolled rails , delivered along the line ; nor could we obtain ...
... cost of European iron to so serious an extent that our Board of Directors resolved to manufacture their own rails . About $ 110 per ton would have been the cost of English rolled rails , delivered along the line ; nor could we obtain ...
Seite 23
... cost to that of rolled iron . The answer to this question , of course involves the comparative cost of rolled and cast iron ; and in endeavouring to solve it , I shall assume prices , which experience has shown may be safely depended on ...
... cost to that of rolled iron . The answer to this question , of course involves the comparative cost of rolled and cast iron ; and in endeavouring to solve it , I shall assume prices , which experience has shown may be safely depended on ...
Seite 24
... cost of the former equal to $ 4,320 , or adding the weight of chairs , ( say ten tons at $ 30 , ) a total of $ 4,620 ; while that of the latter is but $ 3,300 ; leaving a balance of $ 1,320 in favour of the cast rail , on each mile of ...
... cost of the former equal to $ 4,320 , or adding the weight of chairs , ( say ten tons at $ 30 , ) a total of $ 4,620 ; while that of the latter is but $ 3,300 ; leaving a balance of $ 1,320 in favour of the cast rail , on each mile of ...
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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.