Comparison of indirect and direct illumination . U. cr i. s. s. roiM 3 INDIRECT SYSTEM. OBSERVED DATA. Plane 5 ft . 2 in. ATI ON A B C D E 1 2 3 4 0 n or 6 7 8 9 10 11

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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1912