Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 86
far-reaching effect that analternative lighting system is desirable. Parcels Offices. Xo very special features present them-selves in this class of lighting exceptthe need for local illumination on scales. checking desks, etc.. to supplement thegeneral lighting of the open office where the parcels… … FlG. 11. Showing similar unit used toilluminate desk and blackboard in thesame signal office. Signal Burrs. Further examples of screened light-ing are given in the above views ofsignal-box interiors. Figs. 10 and 11show special reflectors attached to in-verted gas burners, so as to throw thelight…
Lighting
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