Journal of the Franklin Institute, Volume 22; Volume 52Pergamon Press, 1851 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415] |
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action angle apparatus applied arrangement asphalte axis bars battery bituminous blades boiler cast iron cent centre centrifugal force circle circuit claim therein Claim.-"Having coal combination connexion construction Coulaine curved cutter cylinder deflexion depth Design for Stoves diameter direction effect electric engine equal equivalent experiments fibre flues Franklin Institute friction fully described furnace generatrix heat helicoidal horizontal inductor invention consists Journal July July 22 length lever magnet manner mastic mean effective pressure means metal Morse motion needle October 14 October 21 operation paddle passing patent pipe piston placed plane plate pounds pressure produced propeller puddled iron purpose rails re-issue revolution revolutions per minute roadway rollers rotation screw shaft side slip spring square feet square inch steam steam engine steamer stroke substantially as described surface telegraph temperature thickness tion tube valve velocity vertical vessel weight wheel wire yds.cu York
Popular passages
Page 397 - Eighth. I do not propose to limit myself to the specific machinery or parts of machinery described in the foregoing specification and claims; the essence of my invention being the use of the motive power of the electric or galvanic current, which I call Electro-Magnetism, however developed, for marking or printing intelligible characters, signs, or letters, at any distances, being a new application of that power of which I claim to be the first inventor or discoverer.
Page 279 - ... or specification, or by reason of the patentee claiming in his specification, as his own invention, more than he had or shall have a right to claim as new ; if the error has or shall have arisen by inadvertency, accident, or mistake, and without any fraudulent or deceptive intention, it shall be lawful for the commissioner, upon the surrender to him of such patent...
Page 126 - Levi Woodbury, then Secretary of the Treasury, issued a circular requesting information in regard to the propriety of establishing a system of telegraphs for the United States, to which Professor Morse replied, giving an account of his invention, its proposed advantages and probable expense.
Page 167 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 433 - 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.
Page 287 - 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.
Page 55 - Ampere's experiments of bringing a copper disc near to a flat spiral; his repetition with electro-magnets of Arago's extraordinary experiments, and perhaps a few others. Still it appeared unlikely that these could be all the effects which induction by currents could produce...
Page 396 - Stone, ibid. 749, we hold the grant of the amended patent to be " conclusive as to the existence of all the facts which by law are necessary to entitle the Commissioner to issue it, at least unless it is apparent on the face of the instrument itself, without any auxiliary evidence, that he was guilty of an excess of authority, or that the patent was procured by a fraud between him and the patentee...
Page 259 - ... will instantaneously, and distinctly, convey communications between the most distant points. These experiments are, we understand, still in progress, and the apparatus, as it is at present constructed, is capable of conveying thirty simple signals, which, combined in various manners, will be fully sufficient for the purposes of telegraphic communication.'— From the Magazine of Popular Science (Parker, Strand) for March 1, 1837.
Page 279 - That whenever any patent which has heretofore been granted, or which shall hereafter be granted, shall be inoperative or invalid, by reason of a defective or insufficient description or specification...