The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1894 |
From inside the book
Results 1-5 of 27
Page 72
... disk is seen with fine ramified lines from the centre ; in this the eye sees its own blood- vessels : this is easily seen by holding a pinhole near to the eye . Abundant examples of diffraction may be observed without any apparatus : a ...
... disk is seen with fine ramified lines from the centre ; in this the eye sees its own blood- vessels : this is easily seen by holding a pinhole near to the eye . Abundant examples of diffraction may be observed without any apparatus : a ...
Page 76
... disk , with which he astonished Napoleon Buonaparte : squares and triangles turn about and point inwards : needles seem to be split down with the light and the two parts point outwards , the thinner needle having the broader central ...
... disk , with which he astonished Napoleon Buonaparte : squares and triangles turn about and point inwards : needles seem to be split down with the light and the two parts point outwards , the thinner needle having the broader central ...
Page 80
... disk 2 mm . in diameter . 75 , 76. Arago's experiment . - Shot fixed on glass ; 3 millim . , 2 millim . , 1 millim . diameter . These were taken with the eyepiece and the ordinary arrangement . In theory there are concentric rings over ...
... disk 2 mm . in diameter . 75 , 76. Arago's experiment . - Shot fixed on glass ; 3 millim . , 2 millim . , 1 millim . diameter . These were taken with the eyepiece and the ordinary arrangement . In theory there are concentric rings over ...
Page 81
... disks , lenses , cups , & c . that can much longer endure the heating - effect of surrounding air . Such compressed cylinders were described by Prof. Landolt in 1884 †; he obtained them by hammering the mass together ; the specific ...
... disks , lenses , cups , & c . that can much longer endure the heating - effect of surrounding air . Such compressed cylinders were described by Prof. Landolt in 1884 †; he obtained them by hammering the mass together ; the specific ...
Page 83
... disk , formed by strongly compressing carbon dioxide as indicated before , when rubbed with the hands or pressed against the skin becomes negatively electrified and attracts an electric pendulum in a very marked way , even when the ...
... disk , formed by strongly compressing carbon dioxide as indicated before , when rubbed with the hands or pressed against the skin becomes negatively electrified and attracts an electric pendulum in a very marked way , even when the ...
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Common terms and phrases
acid ampere amplitude angle apparatus axis Boyle's law calculated capillary carbon dioxide carbonic acid cell centim centimetre circuit Clark cell coefficient coil condensation constant copper corresponding curve cylinder deflexion density determined diameter dielectric discharge disk displacement distance effect electrical electrodes electromotive force energy equal equation experiments gabbro galvanometer gases gauge give given glass gutta-percha heat hydrogen increase induction iron J. J. Thomson layer length liquid magnetic maximum McLeod gauge means measured megohms mercury metal method metre millim mirror molecular molecules motion nitrogen observed obtained ohms oscillations oxygen paper particles Phil phosphorescence phosphorus plane plate poles position potential pressure prism Prof quantity quaternion radius ratio rays readings resistance rotation solution spectrum sun-heat surface surface-tension telephone temperature theory tion tube vapour velocity vibration volts volts volts volume wave-length waves wire zero