or An Essay on the Right of Authors and Inventors to a Perpetual Property in their IdeasSECTION VIII. Objection Eighth. It may be urged that, however just may be the principle of the right of property in ideas, still the difficulty of determining who is the true author of an invention, or idea, after that invention or idea has become extensively known to mankind, interposes a practical obstacle to the maintenance of any individual right of property in any thing so subtle, intangible, and widely diffused, as such an invention, or idea. This was unquestionably a very weighty and serious objection, in ruder times, when letters were unknown to the mass of the people, and when a thought was carried from mind to mind, unaccompanied by any reliable proof of the first originator. The facilities and inducements thus afforded to fraudulent claims in opposition to those of the true owner, and the difficulty of combating such frauds, by the production of authentic and satisfactory proofs, must have made...