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Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 139
romwhich it is obvious that the result willbe very different from that in many ofthe rooms at the National Gallery, which,while being quite suitable for pictureswithout protecting glass, allows so muchlight to fall on the floor and objects in theroom as to cause inconvenience of thekind described.… … a © ° 3 to o ■g a a I2 * THE ILLUMINATING ENGINEER (\n:,i 1922) 123Lighting
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