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Effectiveness of indirect illumination (1909)

Arnold, Ross Harper, Hadley, Homer Langdon · leaf 28

An illustration from Effectiveness of indirect illumination, 1909, leaf 28
urtainsdown and each reading given herewith is the mean of two. Ast:ae data in this form cannot be comprehended very readily andmoreover does not furnish a very accurate and definite means for 8 comparing the results. Curves are submitted tv, dCcoTipany eachset of data. These curves consist simply… … Diagram of floor showing position of illuminoneter for readings 10 DIAGRAM of CEILING. LKJ IHG FED a BA - ------- - ^ 1 » > - Diagram of ceiling showing positions of lamps for reference.

Lighting · Theses

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