The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1844 |
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Page 13
... solution , and afterwards lime , which semi - petrifies the wood , rendering it indestructible by damp , & c . It also gives it the pro- perties of resisting pressure and wear to a great extent , while it in- creases the " bite " of the ...
... solution , and afterwards lime , which semi - petrifies the wood , rendering it indestructible by damp , & c . It also gives it the pro- perties of resisting pressure and wear to a great extent , while it in- creases the " bite " of the ...
Page 30
... solution of alum ; and this compound , when recalcined and reduced to a powder , is in a fit state for use . The cement has been most extensively applied as a stucco ; but the finer qualities ( when coloured by the simple process of ...
... solution of alum ; and this compound , when recalcined and reduced to a powder , is in a fit state for use . The cement has been most extensively applied as a stucco ; but the finer qualities ( when coloured by the simple process of ...
Page 42
... solution of sulphate of iron ( copperas ) , and then pro- ducing a vacuum in the tank containing the liquid . The air in the pores of the wood consequently escapes , and when the pressure of the atmosphere is again admitted , the ...
... solution of sulphate of iron ( copperas ) , and then pro- ducing a vacuum in the tank containing the liquid . The air in the pores of the wood consequently escapes , and when the pressure of the atmosphere is again admitted , the ...
Page 43
... solution employed , corrosive sublimate being the substance used in the latter . The comparative merits of the two preparations can be tested by time alone . In the process of M. Boucherie , which received the sanction of the French ...
... solution employed , corrosive sublimate being the substance used in the latter . The comparative merits of the two preparations can be tested by time alone . In the process of M. Boucherie , which received the sanction of the French ...
Page 50
... deposited is free from any injurious admixture . The iron , also , being coated with zinc in a cold solution , its internal structure is in no way changed . The expense of the process is stated to 50 YEAR - BOOK OF FACTS .
... deposited is free from any injurious admixture . The iron , also , being coated with zinc in a cold solution , its internal structure is in no way changed . The expense of the process is stated to 50 YEAR - BOOK OF FACTS .
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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,...