Protective Lighting: Illumination as a Means of Defense of Property; the General Principles and Practice of Protective Lighting of Industrial Plants, Public Works, Etc

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U.S. Government Printing Office, 1918 - Electric lighting - 47 pages
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Page 2 - AGO] BY ORDER OF THE SECRETARY OF WAR. TASKER H. BLISS, Major General, Acting Chief of Staff. OFFICIAL : HP McCAIN, The, Adjutant General.
Page 11 - A high fence around the boundary of a property is an important feature of protective methods. This fence should be preferably of barb wire or wire netting so constructed as to make it necessary for a trespasser to expend considerable time in surmounting or passing through it. If the fence is solid or opaque, it may with advantage be painted white, or whitewashed.
Page 11 - A boundary fence should be illuminated at night in order to ward off intruders and to simplify patrolling. Adequate illumination of the boundary fence not only makes for safety but also works for economy, in that it lessens the need for extensive patrol. There are two general practices of lighting such boundary fences, both of which have certain advantages, and either of which may be applied to advantage in most cases.
Page 24 - Co., Philadelphia and London). 4. "Code of Lighting Factories, Mills and Other Work Places, Transactions Illuminating Engineering Society Vol.
Page 6 - If everywhere about the property one of these conditions is obtained through a sufficient quantity of light, properly directed and diffused, guarding becomes simple.
Page 9 - ... some slight advantage by wearing yellow glasses when looking from behind a searchlight along the beam of light.
Page 15 - At all places of entrance or exit comparatively brilliant illumination is required over a small area.
Page 12 - It is well to adjust the beam so that it falls just outside the fence, its edge corresponding with the fence.
Page 13 - Whatever the form of lighting adopted, care should be taken to see that all nooks and corners are illuminated; otherwise, especially around dark buildings, there are likely to be dangerous shadows.

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