Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 266
lso benoticed in some of the curves which follow. of which has been blackened. Beforethis blackening was employed, troublewas experienced owing to sunlight comingthrough the glass and forming a luminoushaze in the smoke which accumulates inthe range, but this difficulty disappearedwhen the glass… … Fig. 3.—Range at H.M. Patent Office. Plan view of range lay-out. T = Targets. -f = Lamp centres. The firing-platforms are indicated by the obliquely-divided rectangle at theleft-hand of the diagram. is common on ranges lighted by lampsplaced in straight rows. With such adistribution of lamps,…
Lighting
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