The London Journal of Arts and Sciences, Band 9

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Sherwood, Neely, and Jones, 1825
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 277 - Lord High Treasurer of England in the reign of Queen Elizabeth, with extracts from his private and official correspondence, and other papers not previously investigated.
Seite 294 - January, 1824.] . , To JAMES COOK, of Birmingham, in the County of Warwick, Gun Maker, for his Invention of certain Improvements in the method of Making and Constructing Locks for Guns, Pistols, and other Fire-arms. [Sealed 20th May, 1824.] THE object of this invention is the construction of gun and pistol locks upon a more simple principle than those heretofore made ; instead of the usual main-spring formed as a lever, the patentee proposes that the hammer shall be projected forward in a right line,...
Seite 308 - As human Nature's broadest, foulest blot, Chains him, and tasks him, and exacts his sweat With stripes, that Mercy with a bleeding heart Weeps when she sees inflicted on a beast. Then what is man ? And what man seeing this, And having human feelings, does not blush And hang his head, to think himself a man...
Seite 238 - Manchester, for a machine for dressing and stiffening, and drying of cotton and linen warps, or any other warps that may require it at the same time the loom is working, either with the motion of the loom or other machinery — May 25.
Seite 197 - ... and about eight inches deep, or any other dimension that circumstances may render convenient. The bed or foundation of the road being prepared by rolling, ramming, or otherwise, so as to be perfectly solid, and as level as possible ; as many of these boxes are to...
Seite 327 - Lancaster, civil engineer, for his invention of an improvement or certain improvements of, in, or applicable to the mule, billy, jenny, stretching frame, or any other machine, or machines, however designated or named, used in spinning cotton, wool, or other fibrous substances, and in which either the spindles recede from, and approach the rollers, or other deliverers of the said fibrous substances, or in which such rollers or deliverers recede from and approach the spindles — 29th of March~6 months.
Seite 275 - ... and other craft, which will enable the doors and sashes to be opened on the right and left jamb, (changing the hinges) and if required, they can be fitted either with or without a rising hinge — 17th March — 2 months.
Seite 16 - ... calcined in a furnace in the usual way. A similar quantity of argillaceous earth or clay is then to be mixed in water with the calcined limestone, and the whole perfectly incorporated, by manual labour or by machinery, into a plastic state. This mixture is then to be placed in shallow vessels for the purpose of evaporation, and is to be submitted to the action of the air, the sun, or the heat of fire, or steam conducted by pipes or flues under the pans of evaporating vessels.
Seite 383 - Middlesex, gentleman, in consequence of a communication made to him by a certain foreigner residing abroad...
Seite 267 - A weight, attached to a projection connected' with the endless screw, overcomes the friction of the machine. The clock vibrating in a circle regulates the motion, by moving an endless screw connected with a second wheel in the above projection. The weight of the clock as well as that of the friction may be wound up without the motion being interrupted. When the telescope is thus kept in motion, the star will remain quietly in the centre, even when magnified 700 times.; At the same time there is not...

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