Nature, Bind 20Sir Norman Lockyer Macmillan Journals Limited, 1879 |
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Side 35
... wheel being used as an indicator , by ap- propriate means the molecular shadow of an aluminium plate is projected on the vanes . When entirely in the shadow the indicator does not move , but when the mole- cular stream is deflected so ...
... wheel being used as an indicator , by ap- propriate means the molecular shadow of an aluminium plate is projected on the vanes . When entirely in the shadow the indicator does not move , but when the mole- cular stream is deflected so ...
Side 36
... wheel fixed to the week - day drum , which is thus carried round through a corresponding interval when the release occurs . At the same time a precisely similar action , performed on a wheel fixed to the axis that carries the hand ...
... wheel fixed to the week - day drum , which is thus carried round through a corresponding interval when the release occurs . At the same time a precisely similar action , performed on a wheel fixed to the axis that carries the hand ...
Side 104
... wheel B serves to return the string to the tightening pulley , D , which gives or takes up the " slack " when the crank - pulleys are changed . Firmly attached to B , and revolving on the same axle , is a smaller wheel which drives the ...
... wheel B serves to return the string to the tightening pulley , D , which gives or takes up the " slack " when the crank - pulleys are changed . Firmly attached to B , and revolving on the same axle , is a smaller wheel which drives the ...
Side 147
... wheels grinding on the road would have prevented any but a rather loud one being audible . It was not dark , but twilight . We have been suffering much from unusual heat , and the atmosphere is surcharged with electricity . Heavy storms ...
... wheels grinding on the road would have prevented any but a rather loud one being audible . It was not dark , but twilight . We have been suffering much from unusual heat , and the atmosphere is surcharged with electricity . Heavy storms ...
Side 175
... wheel ; on each face of the prism is fastened a piece of looking - glass . The reflec- tion of the tube in the mirror enables one to examine whether an apparently nebulous discharge is simply nebulous or consists really of strata , also ...
... wheel ; on each face of the prism is fastened a piece of looking - glass . The reflec- tion of the tube in the mirror enables one to examine whether an apparently nebulous discharge is simply nebulous or consists really of strata , also ...
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Academy acid action ammonia Andamanese animals appears birds blasting gelatine body brake carbon carboniferous cartilage cause centre character chemical coil colour comet considerable contains corresponding cretaceous curves described detonation direction effect electric light eocene Eozöon exhibited experiments explosive fact feet flora foraminifera force fossil Geological give given gun-cotton heat Herr Hissarlik hydrogen inches interesting iridium iron June less magnetic mass matter means ment metal meteor method metres miles millimetres miocene Moebius motion Museum Natural History nitro-glycerine nitrogen Observatory observed obtained paper Paris passed perihelion period phosphorescence plants plates pole position present pressure produced Prof recent remarkable resistance river Royal scientific seen Silurian silver fulminate Society South species specimens spectrum stars substance sulphur sulphuric acid surface temperature theory tion tube vacuum tube wheel wire
Populære passager
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Side 74 - MATHEMATICAL PROBLEMS, on Subjects included in the First and Second Divisions of the Schedule of Subjects for the Cambridge Mathematical Tripos Examination. Devised and arranged by JOSEPH WOLSTENHOLME, late Fellow of Christ's College, sometime Fellow of St. John's College, and Professor of Mathematics in the Royal Indian Engineering College. New Edition greatly enlarged.
Side 216 - On Artificial Manures : Their Chemical Selection and Scientific Application to Agriculture. A series of Lectures given at the Experimental Farm at Vincennes, during 1867 and 1874-75.
Side 25 - And when they came to Marah, they could not drink of the waters of Marah, for they were bitter ; therefore the name of it was called Marah.
Side 25 - And he cried unto the LORD; and the LORD showed him a tree, which when he had cast into the waters, the waters were made sweet...
Side 45 - FELKIN, HM— Technical Education in a Saxon Town. Published for the City and Guilds of London Institute for the Advancement of Technical Education.
Side 142 - ... what is necessary to fill up the vacancies caused by senile decay. As the field of existence is limited and preoccupied, it is only the hardier, more robust, better suited to circumstance individuals who are able to struggle forward to maturity, these inhabiting only the situations to which they have superior adaptation and greater power of occupancy than any other kind ; the weaker, less circumstancesuited being prematurely destroyed.
Side 159 - HUXLEY has been elected a corresponding member of the Paris Academy of Sciences, in the section of Anatomy and Zoology, in succession to the late Prof, von Baer ; and M.
Side 141 - The final cause, of this contest amongst the males seems to be, that the strongest and most active animal should propagate the species, which should thence become improved.
Side 240 - SOLID GEOMETRY AND CONIC SECTIONS. With Appendices on Transversals and Harmonic Division. For the Use of Schools. By JM WILSON, MA New Edition.