Journal of the Franklin Institute

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Franklin Institute, 1847
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 262 - 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 327 - 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 245 - What we claim as our invention and desire to secure by Letters Patent is the combination...
Seite 91 - What we claim as our invention, and desire to secure...
Seite 176 - ... but what we do claim as our invention, and desire to secure by letters patent, is the...
Seite 311 - Having now described the nature of the invention, and in what manner the same is to be performed, I declare that I claim as my invention, first, the...
Seite 83 - ... what I claim therein as new, and desire to secure by letters patent, is the manner in which I have combined the...
Seite 122 - As the luminous effects are undoubtedly owing to a vibratory movement executed by the molecules of the platinum, it seems from the foregoing considerations to follow, that the frequency of those vibrations increases with the temperature.
Seite 98 - What I claim as my invention, and which I desire to secure by letters patent...
Seite 344 - In 1466, fig. 84, the nucleus projects on each side of the ray, so that its diameter must be greater than the thickness of the exterior stratum. He could not leave this part of his subject without calling attention to the fact that no REAL nebula seemed to exist among so many of these objects chosen without any bias: all appeared to be clusters of stars, and every additional one which shall be resolved will be an additional argument against the existence of any such.

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