The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1889 |
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Common terms and phrases
achromatic acid æther angle apparatus bands benzene bismuth body brightness calculated cell centim centimetre centre CH CH Clark cell cloud coefficient coil colours condition conductor constant cords corresponding crystals curvature curve deflexion determined diameter diorite disk distance effect electric electrical resistance electromotive force emission equation error experiments flashes fluorescent galvanometer give glass hail hailstones heat hydrates increase insulated intensity Kirchhoff's Law length lens light Lord Rayleigh luminescence luminous energy magnetic means measured mercury metal method metres millim millimetre mirror molecular molecules motion observed obtained occur octahedron ohms oscillator parallel phenomena Phil phosphorescent plane plate platinoid platinum prism produced Prof quantity radiation rays refraction resistance ring slit sodium solution sparks spectrum substance surface Temp temperature theory thickness tion tube velocity vibrations viscosity vols wave wave-length weight Westleton width
Popular passages
Page 367 - The King's changing his pointed conductors for blunt ones is, therefore, a matter of small importance to me. If I had a wish about it, it would be, that he had rejected them altogether as ineffectual. For it is only since he thought himself and family safe from the thunder of Heaven, that he dared to use his own thunder in destroying his innocent subjects.
Page 146 - THE ANNALS AND MAGAZINE OF NATURAL HISTORY, INCLUDING ZOOLOGY, BOTANY, AND GEOLOGY. MONTHLY, PRICE 2s.
Page 146 - Committees for the several Sections before the beginning of the Meeting. It has therefore become necessary, in order to give an opportunity to the Committees of doing justice to the several Communications, that each Author should prepare an Abstract of his Memoir, of a length suitable...
Page 367 - ... never entered into any controversy in defence of my philosophical opinions ; I leave them to take their chance in the world. If they are right, truth and experience will support them ; if wrong, they ought to be refuted and rejected. Disputes are apt to sour one's temper, and disturb one's quiet. I have no private interest in the reception of my inventions by the world, having never made nor proposed to make, the least profit by any of them.
Page 371 - BWG (0.238 inch diameter), were carried round the foundation of the house, up each of the corners and gables and along the ridges, this would probably be a sufficient protection for an ordinary building against any thunder-storm in this climate.
Page 146 - If it should be inconvenient to the Author that his Paper should be read on any particular days, he is requested to send information thereof to the SECRETARIES in a separate note.
Page 285 - It is now certain that the blue of the sky and the reddish tinge of the setting sun are mainly due to the scattering of light by particles small compared with a wave-length. The theory of this action is due to Lord Rayleigh *. All that we require for our present purpose is the law that the scattered light varies inversely as the fourth power of the wave-length. When the various parts of the spectrum are compounded in this proportion, we obtain the point marked \~4 on the diagram.
Page 351 - Complete sets (in Numbers) may be obtained at the following prices :— The First Series, in 20 volumes, from 1838 to 1847. Price £10. The Second Series, in 20 volumes, from 18-18 to 1857.
Page 365 - There is an experiment that will settle this. Take a crooked wire of the thickness of a quill, and of such a length as that one end of it being applied to the lower part of a charged bottle, the upper may be brought near the ball on the top of the wire that is in the bottle. Let one end of this wire...
Page 92 - Now the connexion between this reversal and overexposure was very striking. Hence it occurred to me that the black flashes might be due to a sort of cumulative action. Not to the excessive brightness of the individual flashes, but rather to the excessive action produced by the superposition of the glare from an illuminated white cloud upon the normal image of the flash. To test this I endeavoured to obtain the same effect with the sparks from a small...