The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1894 - English periodicals |
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Results 1-5 of 52
Page 20
... glass plates g and a are kept clear by moistening with a solution of caustic potash , and the mirror M reflects skylight through the tube . Mixed steam and air escape at B , and provision is made ( not shown ) for screening off ...
... glass plates g and a are kept clear by moistening with a solution of caustic potash , and the mirror M reflects skylight through the tube . Mixed steam and air escape at B , and provision is made ( not shown ) for screening off ...
Page 22
... glass tube . The whole train of tubes is easily made of ordinary tinned drain- pipe and suitable elbows . To summarize : the faint phos- phorescent glow visible on phosphorus in the dark is a nearly permanent dust - producer . This ...
... glass tube . The whole train of tubes is easily made of ordinary tinned drain- pipe and suitable elbows . To summarize : the faint phos- phorescent glow visible on phosphorus in the dark is a nearly permanent dust - producer . This ...
Page 29
... glass tube only a few milli- metres in diameter , while the air - tube C is fully two inches in diameter , I was able to dust the air sufficiently to obtain at least the approximate contours of the corresponding relation of steam ...
... glass tube only a few milli- metres in diameter , while the air - tube C is fully two inches in diameter , I was able to dust the air sufficiently to obtain at least the approximate contours of the corresponding relation of steam ...
Page 71
... glass . Consider , first , the case of two or three narrow parallel lines of light : they constitute an elementary grating , and light from the star passing from them to the object - glass will come as if from several stars lying on ...
... glass . Consider , first , the case of two or three narrow parallel lines of light : they constitute an elementary grating , and light from the star passing from them to the object - glass will come as if from several stars lying on ...
Page 72
... glass plate with circle combinations , be illuminated with parallel uncondensed sunlight . If the lens is placed at its focal distance from the object , rays emerge parallel and make simple images of circles without any diffraction ...
... glass plate with circle combinations , be illuminated with parallel uncondensed sunlight . If the lens is placed at its focal distance from the object , rays emerge parallel and make simple images of circles without any diffraction ...
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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