The Technical World Magazine, Volume 16Technical World Company, 1911 |
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Page 280
... LIGHT. production and distribution of electric light is $ 2,000,000,000 . Of the vast sum expended annually for artificial light twenty - five million dollars , at the most conservative estimate , is wasted ; for while there has been no ...
... LIGHT. production and distribution of electric light is $ 2,000,000,000 . Of the vast sum expended annually for artificial light twenty - five million dollars , at the most conservative estimate , is wasted ; for while there has been no ...
Page 281
... lights all around the window obscur- ing everything in it and hurting your eyes so that you avert your head and hurry past , the sources of light are completely con- cealed . The only light com- ing from the window is that which is ...
... lights all around the window obscur- ing everything in it and hurting your eyes so that you avert your head and hurry past , the sources of light are completely con- cealed . The only light com- ing from the window is that which is ...
Page 282
... light from one or a number of sources and not merely diffused light coming from all directions . There must be enough di- rected light to mark the edges of objects by shadows and also enough diffused light to enable one to see clearly ...
... light from one or a number of sources and not merely diffused light coming from all directions . There must be enough di- rected light to mark the edges of objects by shadows and also enough diffused light to enable one to see clearly ...
Contents
Contents for October 1911 | 131 |
professional money lender is helpless to escape and how tragedy not infrequently follows the borrowing | 159 |
Farming for Sponges | 212 |
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