. Light and lighting. s1 report f Chief Inspector fFactories (19TJ) dealing with foundry-lighting, Mr. I). I!. Wilson pointed to thedesirability of a figure near the abovebeing maintained. Again, in the dis-cussion of tin lighting of railway platfnirn^ in January, 1912. a minimumfigure of 0*26 for main plat-forme was considered very nsu I. There Beems, therefore, to be goodprecedenl for suggesting this addition it would probably be foundto be justifiable on physiological grounds,for if the illumination falls much belowthis value a profound change takesplace in the re
. Light and lighting. s1 report f Chief Inspector fFactories (19TJ) dealing with foundry-lighting, Mr. I). I!. Wilson pointed to thedesirability of a figure near the abovebeing maintained. Again, in the dis-cussion of tin lighting of railway platfnirn^ in January, 1912. a minimumfigure of 0*26 for main plat-forme was considered very nsu I. There Beems, therefore, to be goodprecedenl for suggesting this addition it would probably be foundto be justifiable on physiological grounds,for if the illumination falls much belowthis value a profound change takesplace in the retina ol the eye. and weapproach the condition known as night-vision when the eye is in a state ofinstability, and finds it very difficult todistinguish Burrounding obje< ts, current by means of a flexible plug-connector at the back. By using a seriesof Buch panels quite a variety of fittingscan I- Bhown to a prospective purchaserin <]inie a short time. LARGE LANTERNS. How should they be Lighted ?. PORTABLE DISPLAY PANELS FORWALL FIXTURES. A i number of the Electrical World describes an appliance for exhibitingelectric wall fixtures. This takes the formof a movable easel which can be set upat any place in the showroom to suitthe customei - convenience. The fitis mounted on the easel Burface, which is lltade ol VelloU pllie -Lulled .Hid UlaMied to resemble ak. I is supplied with Thi- illustration -how- a series of largeglass lanterns typical ol those hung out-aide many public-houses in London to-day. In view of the expensive charsof many of these ornamental cut-glassfixtures one can only imagine thai in thedays of flatiflame burners man} peoplemust have been more liberal in theirviews oi expenditure on lighting thant hej are to-daj , The conversion of these tomodern iUunxinants i- an interestingproblem. A small light in this vast glass hardly -how -, i hem to ad\ antWould not 11 be bettei if w bite translucent glass could be substituted,tin- causing the lantern t
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