The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1844 |
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Page 116
... Electricity he has pointed out the laborious experi- mental processes employed by himself and others in their construction . It is obvious that one table would suit all instruments possessing the same relative proportions . And the ...
... Electricity he has pointed out the laborious experi- mental processes employed by himself and others in their construction . It is obvious that one table would suit all instruments possessing the same relative proportions . And the ...
Page 124
... electric fluid , on meeting several roots , went round them , simply blackening without destroying them . METEOROLOGICAL OBSERVATIONS AT PLYMOUTH AND DEVONPORT . MR . S. HARRIS has reported the several results of the Meteoro- logical ...
... electric fluid , on meeting several roots , went round them , simply blackening without destroying them . METEOROLOGICAL OBSERVATIONS AT PLYMOUTH AND DEVONPORT . MR . S. HARRIS has reported the several results of the Meteoro- logical ...
Page 125
... ELECTRICITY OF THE ATMOSPHERE . " On a new " " MR . NOTT has read to the British Association , a paper Electrical Machine , and upon the Electricity of the Atmosphere . ' This paper treated at great length of electrical currents and of ...
... ELECTRICITY OF THE ATMOSPHERE . " On a new " " MR . NOTT has read to the British Association , a paper Electrical Machine , and upon the Electricity of the Atmosphere . ' This paper treated at great length of electrical currents and of ...
Page 126
... electricity , and no current . Among the novelties presented by the paper , may be mentioned the description of what the author calls the Rheo - electric Machine , in which both electricities are developed by friction . " It consists of ...
... electricity , and no current . Among the novelties presented by the paper , may be mentioned the description of what the author calls the Rheo - electric Machine , in which both electricities are developed by friction . " It consists of ...
Page 127
... electricity was subject to remarkable changes of colour , according to the state of the atmosphere and the nature of the exciting body . It also struck him that electricity is radiated in a peculiar manner from magnetized bodies ...
... electricity was subject to remarkable changes of colour , according to the state of the atmosphere and the nature of the exciting body . It also struck him that electricity is radiated in a peculiar manner from magnetized bodies ...
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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
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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,...