The London journal of arts and sciences (and repertory of patent inventions) [afterw.] Newton's London journal of arts and sciencesWilliam Newton 1839 |
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acid alkali apparatus application axis axle barytes bog earth boiler cams caoutchouc carbonate carbonic acid carriage centre chloride city of London claim cloth coal coke cones conj connected construction county of Middlesex crank cylinder described diff Ditto passes drawing roller Drises effect employed Encke's Comet R. A. engineer fixed flax foreigner residing frame fuel furnace groove heat horizontal inches Inrolment Office invention of improvements iron lever loom machine machinery manner manufacture materials means ments metal method Middlesex mode months for inrolment motion nitric acid operation paddle wheel patent peat piece pins pipe placed plate proper protoxide Prussian blue prussiate of potash pulley purpose quantity retort revolving rollers Rolls Chapel Office rotary satt screw shaft shown side sliding spring staves steam strap stud substances sulphuric acid surface teeth tion valve vessel warp threads weight wire yarns
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Seite 150 - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the details...
Seite 76 - CLAIMS. Having described the nature of our invention and the manner in which the same is to be performed, we...
Seite 95 - ... in a mode of propelling vessels by means of one or more curved blades, set or fixed on a revolving shaft below the water line of the vessel, and running from stem to stern of the vessel...
Seite 250 - Huntingdon, miller, for improvements in apparatus for filtering liquids.—27th November. — Auguste Victor Joseph Baron De Asda, of Mill man-street, Bedford-row, in consequence of a communication made to him by a foreigner residing abroad, for improvements in producing or affording light, which he intends to denominate a solar light.
Seite 375 - ... tree is either solitary, or in twofold or threefold groups. It is larger and more umbrageous than any of the other trees in the extensive forest where it abounds, and may be distinguished from the other trees, at a distance of several miles, by the picturesque appearance produced by its dense, huge, and lofty crown. The main trunk of one was carefully measured, and was found to have a circumference of no less than 74 feet ; while the girth of the main trunk, along with the supports immediately...
Seite 202 - ... reference being had to the drawings annexed, and to the figures and letters marked thereon, (that is to say) : — Sheet first contains three modes of constructing my rotary steam-engine.
Seite 106 - Fig. 1 represents so much of the stern of a vessel having my apparatus applied thereto for propelling, as will enable me to explain the nature of my invention ; a being the shaft or axis on which the curved blades are set or affixed.
Seite 376 - Royle sent models of cylinders, of li to 2^ inches in diameter, and 4 or 5 inches in length, to both the Asiatic and Agricultural Societies of Bengal, to serve as patterns for the natives to mould their caoutchouc by.
Seite 378 - In order to convert the spongy mass thus formed into good caoutchouc, nothing more is requisite than to expose it to moderate pressure between the folds of a towel. By this process the whole of the aloetic extract, and other vegetable matters, which concrete into the substance of the balls and junks of caoutchouc prepared in Assam and Java, and contaminate it, are entirely separated, and an article nearly white and inodorous is obtained. Some of the cakes of American caoutchouc exhale, when cut,...
Seite 412 - A succession of threads of any desired fineness are afterwards cut out of this fillet, by drawing it in a moist state through a guide slit, against the sharp edge of a revolving steel disc. This operation is dexterously performed by the hands of young girls. MM. Rattier and Guibal employed, at the abovementioned period, a mechanism consisting of a series of circular steel knives, fixed parallel to each other at minute distances, regulated by interposed washers upon a revolving shaft ; which series...