The Technical World Magazine, Volume 20Technical World Company, 1912 |
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Page 372
... light . D ID you ever try to make day- light at night ? It's very simple . All you need are two color screens and a strong incandescent light . Pass the artificial light rays through the screens , which draw out the excess in colorings ...
... light . D ID you ever try to make day- light at night ? It's very simple . All you need are two color screens and a strong incandescent light . Pass the artificial light rays through the screens , which draw out the excess in colorings ...
Page 373
... light The light tuen passes through a gelatine screen of purplish red which serves to correct the tint . This screen holds dyes that are absolutely unchangeable . The white light caused by this process is reproducible and constant ...
... light The light tuen passes through a gelatine screen of purplish red which serves to correct the tint . This screen holds dyes that are absolutely unchangeable . The white light caused by this process is reproducible and constant ...
Page 732
... light cannot be used where color values are concerned , but for trial purposes , in shops and big facturing plants gen- erally , it is a splendid illumi- nant . A t- tempts to produce artificial daylight have been superior as it is ...
... light cannot be used where color values are concerned , but for trial purposes , in shops and big facturing plants gen- erally , it is a splendid illumi- nant . A t- tempts to produce artificial daylight have been superior as it is ...
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