Journal of the Franklin InstitutePergamon Press, 1849 |
No grāmatas satura
1.–5. rezultāts no 98.
21. lappuse
... position and loaded with a weight equal to it , the deflexion should be the same as that of the horizontal beam , and consequently the extreme limit of the resistance of the post to flexure would be determined . To ascertain the force ...
... position and loaded with a weight equal to it , the deflexion should be the same as that of the horizontal beam , and consequently the extreme limit of the resistance of the post to flexure would be determined . To ascertain the force ...
45. lappuse
... position of the needle in reference to it . In fact , according as the horizontal plane in which the needle moves passes above or below the re- gion in which the greatest activity of the phenomenon takes place , it will be either the ...
... position of the needle in reference to it . In fact , according as the horizontal plane in which the needle moves passes above or below the re- gion in which the greatest activity of the phenomenon takes place , it will be either the ...
50. lappuse
... position , the line D of the solar spectrum , I was desirous of examining whether it corresponded to it ; for want of instruments to measure the angles , I had recourse to a peculiar process . I projected upon the arc itself an image of ...
... position , the line D of the solar spectrum , I was desirous of examining whether it corresponded to it ; for want of instruments to measure the angles , I had recourse to a peculiar process . I projected upon the arc itself an image of ...
55. lappuse
... position of the lamp , the fog was nearly dissipated by a light west wind . This white bow ought to be easily re - produced during fogs , and where the nature of the vesicles of the fog will permit , it might be produced by means of the ...
... position of the lamp , the fog was nearly dissipated by a light west wind . This white bow ought to be easily re - produced during fogs , and where the nature of the vesicles of the fog will permit , it might be produced by means of the ...
66. lappuse
... position by a collar below . The upper end of the outer tube being screwed on to the hydrant , the water passes through the flannel , and being thus filtered into the inner tube escapes below . When the filtering cloth has become foul ...
... position by a collar below . The upper end of the outer tube being screwed on to the hydrant , the water passes through the flannel , and being thus filtered into the inner tube escapes below . When the filtering cloth has become foul ...
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anthracite coal apparatus application April April 17 attached axle Baltimore boiler bolt carbonic acid carriage catoptric chamber City claim the combination combustion committee connected connexion constructed and arranged cutter cylinder deflexion deposited described diameter Dioptric effect electricity engine exhibited February 20 feet fire flue frame Franklin Institute fuel furnace gases groove heat horizontal hydrogen improvement consists inches invention consists iron judges lamp lever light machine machinery manner set manufacture March 27 Massachusetts means metal Middlesex county miles mode motion movable Ohio oven pass patentee says patentee says,-"The nature Pennsylvania Philadelphia pipe plane plate pressure propeller purpose set quantity rail Railroad railway reflectors revolving road rollers screw Second Premium September 19 shaft side sliding spring steam stove substantially as set surface Third Premium tion tons tube U. S. Patent Office valve vessel weight wheel wire wood York
Populāri fragmenti
213. lappuse - Having thus described the nature of my invention, and the manner in which the same is to be performed, I would have it understood that I do not confine myself to the...
164. lappuse - 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.
334. lappuse - Schools, in which the Definitions and Rules of Geometry are familiarly explained ; the Practical Problems are arranged, from the most simple to the more complex, and in their description technicalities are avoided as much as possible.
65. lappuse - 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.
57. lappuse - And it shall be the duty of said chief justice, on petition, to hear and determine all such appeals, and to revise such decisions in a summary way, on the evidence produced before the Commissioner, at such early and convenient time as he may appoint, first notifying the Commissioner of the time and place of hearing, whose duty it shall be to give notice thereof to all parties who appear to be interested therein, in such manner as said judge shall prescribe. The Commissioner shall also lay before...
57. lappuse - That whenever an application shall be made for a patent, which, in the opinion of the commissioner, would interfere with any other patent for which an application may be pending, or with any unexpired patent which shall have been granted, it shall be the duty of the commissioner to give notice thereof to such applicants, or patentees, as the case may be ; and if either shall be dissatisfied with the decision of the commissioner on the question of priority of right or invention, on a hearing thereof...
57. lappuse - When an appeal is taken to the Supreme Court of the District of Columbia, the appellant shall give notice thereof to the Commissioner, and file in the Patent Office, within such time as the Commissioner shall appoint, his reasons of appeal, specifically set forth in writing.
323. lappuse - Let P be the point of equal attraction between any planet and the one next interior, the two being in conjunction ; P', that between the same and the one next exterior. Let also D = the sum of the distances of the points P, P...
57. lappuse - ... either shall be dissatisfied with the decision of the Commissioner on the question of priority of right or invention, on a hearing thereof, he may appeal from such decision, on the like terms and conditions as are provided in the preceding section of this act; and the like proceedings shall be had, to determine which or whether either of the applicants is entitled to receive a patent as prayed for.
58. lappuse - Commissioner shall also lay before the said judge all the original papers and evidence in the case, together with the grounds of his decision, fully set forth in writing, touching all the points involved by the reasons of appeal, to which the revision shall be confined.