The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1844 |
From inside the book
Results 1-5 of 26
Page 49
... carbon of the coal , combining with the oxygen of the ore , advances the decomposition of the mineral , while , by the combustion of these gases , the puddling furnace is prevented from being injuriously cooled . One charge be- ing ...
... carbon of the coal , combining with the oxygen of the ore , advances the decomposition of the mineral , while , by the combustion of these gases , the puddling furnace is prevented from being injuriously cooled . One charge be- ing ...
Page 50
... carbon used in employing steam is a little less for each litre of gas produced than if air was used . The only inconvenience of steam is the lowering of the heat in the pipes of the generator , which in some cases would be serious . The ...
... carbon used in employing steam is a little less for each litre of gas produced than if air was used . The only inconvenience of steam is the lowering of the heat in the pipes of the generator , which in some cases would be serious . The ...
Page 59
... carbon . The same kind of iron corrodes more rapidly when cooled fast and irregularly , than it does when carefully treated . The difference of corrodibility between hot and cold blast iron is very small , and arises chiefly from their ...
... carbon . The same kind of iron corrodes more rapidly when cooled fast and irregularly , than it does when carefully treated . The difference of corrodibility between hot and cold blast iron is very small , and arises chiefly from their ...
Page 60
... carbon in them , No. 1 and 2 , bright grey iron of commerce , while they are the most valuable for construction , are also the most durable : slow cooling and annealing increases the durability . The mode of analysis used by the author ...
... carbon in them , No. 1 and 2 , bright grey iron of commerce , while they are the most valuable for construction , are also the most durable : slow cooling and annealing increases the durability . The mode of analysis used by the author ...
Page 66
... carbon . Pure hydro- gen , when burned , affords a very feeble light ; and whenever so much air is mixed with coal gas , as is sufficient to consume all its carbon simultaneously with its hydrogen , it burns with a dim blue flame . Now ...
... carbon . Pure hydro- gen , when burned , affords a very feeble light ; and whenever so much air is mixed with coal gas , as is sufficient to consume all its carbon simultaneously with its hydrogen , it burns with a dim blue flame . Now ...
Other editions - View all
Common terms and phrases
Academy of Sciences acid action ammonia Analytical Engine animal apparatus appears atmosphere battery boiler British Association Bude light carbon carbonic acid chemical cloth coal coating colour combustion comet common consists construction containing copper cubic centimetres cylinder David Bogue deposit depth described diameter distance effect electricity employed engine Engravings exhibited experiments feet Fleet Street fossil galvanometer George Cruikshank glass gold heat hydrogen Illustrated inches instrument invention iron length light machine magnetic malic acid Mastodon matter means ment mercury metal minute mode morocco motion nearly nitric acid observations obtained oxide oxygen paper Paris passing Permian phosphorescence pieces piers placed plants plate portion potash present produced purpose quantity rays remarkable Royal sand silver Society solution species specimens steam steel substance sulphate sulphuric acid surface temperature thick tion tube vessel voltaic weight wheel whole wire wood zinc
Popular passages
Page 287 - Cowper's Poems. With Life and Critical Remarks, by the Rev. THOMAS DALE : and 75 fine Engravings by J. Orrin Smith, from Drawings by J. Gilbert. Two vols. crown 8vo. 24s. cloth ; 84s. morocco. " The handsomest of the editions of Cowper."— SPECTAToR.
Page 241 - Some cause there must be, which would explain how the practice has become a necessary of life to whole nations. But it is surely still more remarkable, that the beneficial effects of both plants on the health must be ascribed to one and the same substance, the presence of which in two vegetables, belonging to different natural families, and the produce of different quarters of the globe, could hardly have presented itself to the boldest imagination.
Page 193 - ... which form the lights of the print, to a sufficient depth ; but in glyphography the depth of these parts is formed by the remaining portions of the white composition on the plate, analogous to the thickness or height of which must be the depth on the block, seeing that the latter is, in fact (to simplify the matter), a cast or reverse, of the former. But if this composition were spread on the plate as thickly as required for this purpose, it would be impossible for the artist to put either close,...