The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1844 |
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Page 18
... rays of the sun from interfering with the effect of the internal decorations gene- rally . For this purpose , the outer plating is proposed to be of ground glass , in single plates , and the inner glazing of an ornamental design in ...
... rays of the sun from interfering with the effect of the internal decorations gene- rally . For this purpose , the outer plating is proposed to be of ground glass , in single plates , and the inner glazing of an ornamental design in ...
Page 60
... rays that could be looked through . The finer and more uniform the quality and texture of the iron , the slower is the rate of corrosion . Faggotted bars , and Lowmoor boiler plate , are those kinds which corrode slowest . Hardened cast ...
... rays that could be looked through . The finer and more uniform the quality and texture of the iron , the slower is the rate of corrosion . Faggotted bars , and Lowmoor boiler plate , are those kinds which corrode slowest . Hardened cast ...
Page 64
... rays were transmitted from the reflecting parabolic surface , so as to make them visible at so great a distance . Though a greater quantity of light is generated by a larger wick , the portion of rays re- flected in a direction parallel ...
... rays were transmitted from the reflecting parabolic surface , so as to make them visible at so great a distance . Though a greater quantity of light is generated by a larger wick , the portion of rays re- flected in a direction parallel ...
Page 77
... rays of the mid - day sun they do not require any particular covering or shade ; the atmosphere therein preserves a nearly equable temperature almost the whole day , and requires only to be changed from time to time , according to ...
... rays of the mid - day sun they do not require any particular covering or shade ; the atmosphere therein preserves a nearly equable temperature almost the whole day , and requires only to be changed from time to time , according to ...
Page 79
... rays of the proper woods , but only the vertical fibres , which are held together by a much softer substance , like pith or cement , so that the horizontal section is always dotted , by which they may be readily distinguished from all ...
... rays of the proper woods , but only the vertical fibres , which are held together by a much softer substance , like pith or cement , so that the horizontal section is always dotted , by which they may be readily distinguished from all ...
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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,...