The Dublin University Magazine: A Literary and Political Journal, المجلد 93W. Curry, jun., and Company, 1879 |
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الصفحة 138
... light has first to be compared with the very rude and uncertain unit of light adopted by the wisdom of Parliament that is to say , a sperm candle , consuming 120 grains of sperm in the hour . The parlia- mentary gas unit is an Argand ...
... light has first to be compared with the very rude and uncertain unit of light adopted by the wisdom of Parliament that is to say , a sperm candle , consuming 120 grains of sperm in the hour . The parlia- mentary gas unit is an Argand ...
الصفحة 140
... light , give an expenditure of nearly one kilogrammetre of work per Carcel burner per second . This is equal to 0.789 horse power for the Carcel standard . Keeping to the lower ... light . 140 [ Feb. Illumination and the Electric Light .
... light , give an expenditure of nearly one kilogrammetre of work per Carcel burner per second . This is equal to 0.789 horse power for the Carcel standard . Keeping to the lower ... light . 140 [ Feb. Illumination and the Electric Light .
الصفحة 141
A Literary and Political Journal. tion of the number of the foci of light . On the other hand , it is so manifest from all the experiments that the cost of pro- ducing the electric light diminishes , per unit , as the intensity of the ...
A Literary and Political Journal. tion of the number of the foci of light . On the other hand , it is so manifest from all the experiments that the cost of pro- ducing the electric light diminishes , per unit , as the intensity of the ...
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