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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 23

An illustration from Light and lighting, 1908, leaf 23
)roblem demands. The photograph hardly does justice tothe actual condition, since the brilliantlyilluminated scale arm was necessarilysomewhat over-exposed, and is in realitymuch brighter than the picture suggests. In conclusion, I regret that these re-marks are somewhat disjointed in char- … FiG. 9. -Showing special lighting ofchemical balance. acter. This is due to the fact that I havebeen extremely busy on other pressingwork during the past months, and, likemany other members of the Society, havenot had as much time to devote to illu-mination as I would like. I hope, how-ever, that…

Lighting

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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