The London journal of arts and sciences (and repertory of patent inventions) [afterw.] Newton's London journal of arts and sciences, Volum 4

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William Newton
1822
 

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Pàgina 36 - LOUDON'S 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. 21s. London's Encyclopaedia of Gardening : comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape Gardening.
Pàgina 112 - Dendrologia Britannica, or trees and shrubs that will live in the open air of Brttain during the whole year, to be illustrated by original descriptions and coloured plates from living plants.
Pàgina 204 - Memoirs of Benvenuto Cellini, a Florentine Artist, written by himself, containing a -variety of Information respecting the Arts, and the History of the Sixteenth Century.
Pàgina 259 - An HISTORICAL and DESCRIPTIVE ACCOUNT of the STEAM ENGINE; comprising a general View of the various Modes of employing Elastic Vapour as a "Prime Mover in Mechanics.
Pàgina 274 - ... if it make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform; if fragments fly off, and no sensible indentation be made, the iron will be hard and brittle.
Pàgina 146 - ... repairs in the machinery ; and should the supply of corn, &c. at any time, fall off, it is not necessary that the labour of the prisoners should be suspended; nor can they be aware of the circumstance. The...
Pàgina 147 - When the machinery of the mill has attained its proper speed, certain balls rise by their centrifugal force, so *as to draw a box below the reach of a bell handle, which will then cease to ring a bell, placed in some convenient situation for the purpose. But should the men at the wheels cease to keep up the requisite speed in the mill work, the balls will descend, and a projecting pin on the box, striking the handle, placed in the proper situation for that purpose, will continue to ring the bell,...
Pàgina 183 - Inrolled, March, 1822. To THOMAS MOTLEY, of the Strand, London, for certain Improvements in the Construction of Candlesticks or Lamps, and in Candles to be burned therein. THIS invention consists of an apparatus for burning tallow, cocoa-nut oil, palm oil, or a mixture of these or other concrete oleaginous substance, for the purposes of illumination ; which, by the use of this apparatus, may...
Pàgina 268 - ... Commons, on Steamengines and Furnaces ; and a Chronological Catalogue of Works descriptive of the Steam-engine. In estimating the value of a work like the present, we must be guided rather by the useful facts detailed, than by the quantity of letter-press. A work of so. much practical importance required the historian's severe castigation. Much of the labour, therefore, bestowed . on such a work, must be wholly unknown, except to those who are more immediately conversant with historical research,...
Pàgina 273 - N. down to hit. 69 deg. comprising an extent (reckoning the indentations and sinuosities observed) of about 800 miles ! The coast visited by Captain Scoresby is a continuation towards the North of that on which were planted the ancient colonies from Iceland, the fate of which is still veiled in such deep obscurity.

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