The London Journal of Arts and Sciences, Volumen7Sherwood, Neely, and Jones, 1824 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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Página 4
... pressure on the steam generated for the purpose of engines , which pressure must be over- come by such steam itself before such steam can act upon the cylinder or reach the piston ; and also an arrangement of rings for metallic stuffing ...
... pressure on the steam generated for the purpose of engines , which pressure must be over- come by such steam itself before such steam can act upon the cylinder or reach the piston ; and also an arrangement of rings for metallic stuffing ...
Página 22
... pressure acting against the bottom , h , of the sliding frame , raises it up ; the oiled cloth at the same time is enabled by its flexibility to fold between the fixed and moveable wooden frames , as seen at Fig . 5 whence it stretches ...
... pressure acting against the bottom , h , of the sliding frame , raises it up ; the oiled cloth at the same time is enabled by its flexibility to fold between the fixed and moveable wooden frames , as seen at Fig . 5 whence it stretches ...
Página 23
... pressure of the sliding frame acting upon the gas contained within the vessel , causes the gas to be ex- pelled through the discharge pipe , m , whence it passes to the mains and service pipes , as usual . The patentee concludes his ...
... pressure of the sliding frame acting upon the gas contained within the vessel , causes the gas to be ex- pelled through the discharge pipe , m , whence it passes to the mains and service pipes , as usual . The patentee concludes his ...
Página 25
... plated metal is to be preferred ) which are to be perforated in the centre , and otherwise formed by pressure . VOL . VII . E • Plate III . fig . 9 , represents a Rogers's , for Improvements in Stays and Bodices . 25.
... plated metal is to be preferred ) which are to be perforated in the centre , and otherwise formed by pressure . VOL . VII . E • Plate III . fig . 9 , represents a Rogers's , for Improvements in Stays and Bodices . 25.
Página 59
... pressure . The axles of the printing cylinders are placed in the frame - work , which supports them in such a manner as will permit their being shifted to any required distance apart , for the purpose of effecting the register of the ...
... pressure . The axles of the printing cylinders are placed in the frame - work , which supports them in such a manner as will permit their being shifted to any required distance apart , for the purpose of effecting the register of the ...
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Términos y frases comunes
apparatus applied atmosphere attached axle blade bobbin boiler bolts bottom cause cloth coal gas condensing apparatus conj consists construction cords County of Middlesex cubic feet cubic foot cylinder described diameter effect elastic employed engine fixed fluid fluidium frame Francis Baily gallons gasometer heat improved inches Inrolled invention iron John Heathcoat Journal of Arts lamp lever light London Journal loom machine machinery Manufacturer means mechanical ments metal method Middlesex mode months for enrolment motion observations oil gas operation organzine oxygen paper pass patent piece pinion pipe placed Plate plough power loom present pressure produced proposed purpose quantity ratchet-wheel revolve river rollers round screw Sealed 28th shaft shews shuttle side silk Six months sliding Society specific gravity spindle steam steam-engine steel substance surface temperature tion toothed-wheel tube upper valve velocity vessel warp weft wheel wire
Pasajes populares
Página 255 - And God said: Let there be light; and there was light. And God saw the light, that it was good; and God divided the light from the darkness.
Página 328 - ENCYCLOPEDIA of AGRICULTURE: comprising the Laying-out, Improvement, and Management of Landed Property, and the Cultivation and Economy of the Productions of Agriculture. With 1,100 Woodcuts. 8vo.
Página 325 - Middlesex, mechanist, in consequence of a communication made to him by a certain foreigner residing abroad...
Página 80 - Thus in the whole machinery of springs and Rivers, and the apparatus that is kept in action for their duration, through the instrumentality of a system of curiously constructed hills and valleys, receiving their supply occasionally from the rains of heaven, and treasuring it up in their everlasting storehouses to be dispensed perpetually by thousands of never-failing fountains, we see a provision not less striking, than it is important.
Página 192 - Squadron, in consequence of a communication made to him by a certain foreigner residing abroad, for a certain method or methods of catching or taking mackarel and other fish.
Página 219 - On the Utility and probable Accuracy of the Method of determining the Sun's Parallax, by observations on the planet Mars near his opposition ; by Mr.
Página 158 - This day being the fourth anniversary of the Society, a numerous meeting of the members took place at their apartments in Lincoln's Inn Fields, when a very satisfactory report upon the state of the society's affairs and proceedings during the last year, -was read and ordered to be printed. This report paid a due tribute of respect to several members, which the society has lost by death in the 10m. 0' go is- 44
Página 317 - ... led to some awkward anomalies, on account of its having been customary to take the moon's centre reduced to the meridian, and to compare it with the apparent places of stars passing the meridian about the same time in any parallel of declination. The newly proposed method consists in merely observing with a transit instrument, the differences of right ascension between the border of the moon, and certain fixed stars previously agreed upon, restricting the observations to such stars as differ...
Página 276 - London, merchant, in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of " certain improvements in boilers for generating steam.
Página 159 - Esq. FRS, as a token of the high estimation in which it holds his valuable invention of an engine for calculating mathematical and astronomical tables, being the first medal awarded by the Society. A similar Gold Medal to Professor...