Y10st open space lighting applications have features in common and the paper collates the methods and equipment used and cites typical installations, The extent to which conventional lighting equipment can provide the light distributions needed is examined and the relative merits of low and high mounted schemes discussed. Methods of restricting glare are described. Some of the techniques employed in computing installations and in training floodlights, especially with high mounted schemes, are included.

This paper discusses some of the lighting requirements in hospitals, and describes ways in which they are satisfied. The lighting of the operating theatre is considered in some detail and an attempt has been made to classify systems of lighting according to their suitability for different surgical operations.

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