The London Journal of Arts and SciencesSherwood, Neely, and Jones, 1829 Containing reports of all new patents, with a description of their respective principles and properties: also, original communications on subjects connected with science and philosophy; particularly such as embrace the most recent inventions and dicoveries in practical mechanics. |
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Seite 244 - Provided also, and be it declared and enacted, that any declaration before mentioned shall not extend to any letters patent and grants of privilege for the term of fourteen years or under, hereafter to be made of the sole working or making of any manner of new manufactures within this realm, to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patent and grants shall not use...
Seite 233 - Place, in the county of Middlesex, Esq. in consequence of a Communication made to him by a certain Foreigner residing abroad, and discovered by himself, for an invention of an improved projectile.
Seite 36 - Some facts known to the author were at. variance with this hypothesis; and he found upon trial, that when single rods were made to approach a flame, the latter was always inflected on all sides from, the rod, as if repelled by it, and that this effect was independent of the conducting power of the rod, whether good or bad. The amount of inflection or repulsion was directly as. the mass, and inversely as the distance from the flame. It was not diminished by increasing the temperature of the rod, even...
Seite 262 - The application of a proper substance fixed on or in the cylinder A to brush the surface of the cloth to be shorn;" and, fourthly, "The described method of shearing cloth across from list to list by a rotatory cutter.
Seite 103 - ... higher stage is reached. In the present work we are concerned with kinship groups and the marriage regulations based on them. A kinship group, whether it be a totem kin, phratry, class, or other form of association, is a fraction of a tribe ; and before we proceed to deal with kinship organisations, it will be necessary to say a few words on the nature of the tribe and the family. In Australia the tribe is a local aggregate, composed of friendly groups speaking the same language and owning corporately...
Seite 236 - Warwick, for his new invented improvements in weaving, preparing, or manufacturing a cloth or fabric, and the application thereof, to the making of stays and other articles of dress.
Seite 246 - ... are altogether contrary to the laws of this realm, and so are and shall be utterly void and of none effect, and in no wise to be put in use or execution.
Seite 232 - the improved application of air to produce heat in fires, forges, and furnaces, where bellows or other blowing apparatus are required.
Seite 271 - ... to an old machine, which is, that whatever machinery may be hereafter invented, would be an infringement of the patent, if it be founded on the same principle. If this were so, it would reverse the clearest positions of law respecting patents for machinery, by which it has been always holden, that the organization of a machine may be the subject of a patent, but principles cannot.
Seite 39 - ... be obtained by alloying the three metals together in different proportions. When such a series of alloys has been once prepared, the heat of any furnace may be expressed by the alloy of least fusibility which it is capable of melting.