270
THE ART OF ILLUMINATION
a room enriched by the beautiful mural paintings of Abbey.
shown
This
The unique example chandeliers were offensively obtrusive at best, and they were so located as to conceal the mural paintings by their glare instead of The picture here illuminating them so that they could be seen. of inappropriate lighting
is
in Fig. 144.
shown was, of course, taken by dajdight. By night the effect was almost indescribably bad. Fortunately this installation was soon thrown out and replaced by the effective and unobtrusive trough lighting system of Fig. 145, so inconspicuous a,s to be scarcely
Fig. 144.
noticeable in the cut, yet fully effective in revealing the beauty of the pictures.
Perhaps the most troublesome portions of a library properly and periodical rooms, where the reading matter is kept on slanting racks. With the lights as commonly placed above these, there is almost a certainty of direct reflection from the paper into the eyes. Trough reflectors with diffusing screens may be used with advantage, and here, if any-
to illuminate are the newspaper
where, the indirect system of lighting and walls finds its best application.
amount
by the
diffusion of the ceiling
It requires
of energy to carry out the indirect lighting
a considerable in such
scheme