Journal of the Franklin Institute

Εξώφυλλο
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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Σελίδα 266 - 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.
Σελίδα 329 - 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.
Σελίδα 249 - What we claim as our invention and desire to secure by Letters Patent is the combination...
Σελίδα 93 - What we claim as our invention, and desire to secure...
Σελίδα 180 - ... but what we do claim as our invention, and desire to secure by letters patent, is the...
Σελίδα 313 - 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...
Σελίδα 85 - ... what I claim therein as new, and desire to secure by letters patent, is the manner in which I have combined the...
Σελίδα 124 - 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.
Σελίδα 100 - What I claim as my invention, and which I desire to secure by letters patent...
Σελίδα 346 - 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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