Nature, Volume 32Sir Norman Lockyer Macmillan Journals Limited, 1885 |
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Página 249
... light has been to a certain extent already treated in a similar way by suspending arc lights at great altitudes , and by means of reflectors concentrating the light down upon certain areas . The intention has been , by this means , to ...
... light has been to a certain extent already treated in a similar way by suspending arc lights at great altitudes , and by means of reflectors concentrating the light down upon certain areas . The intention has been , by this means , to ...
Página 275
... light is gradually lost in the sky , downwards the intensity is greatest , and the lower edge stands sharply out . Solitary , stronger spots of light , now here , now there , travel , with an unsteady motion , at times right or left ...
... light is gradually lost in the sky , downwards the intensity is greatest , and the lower edge stands sharply out . Solitary , stronger spots of light , now here , now there , travel , with an unsteady motion , at times right or left ...
Página 326
... light , with a wire in the centre , we shall be easily able to read the position on the scale of the image of the wire , and by this means measure the motions of the mirror with very great accuracy and delicacy . Having thus described ...
... light , with a wire in the centre , we shall be easily able to read the position on the scale of the image of the wire , and by this means measure the motions of the mirror with very great accuracy and delicacy . Having thus described ...
Índice
Auroral Zone ElevenYear Meridional Oscillation of the Bath Natural History and Antiquarian Field Club | 12 |
Prof Auwers Calculations of Longitude of Places bination of the Ordnance and Admiralty Surveys E | 101 |
Earthquakes in 11 85 460 Industrial Education in Behrens Dr W J Guide for the Microscopical Investiga | 193 |
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