CHAPTER VI

LIGHTING

LIGHTING

ADAPTABILITY OF EYE TO LIGHT

DIFFERENCE IN INTENSITY OF LIGHT

TIME REQUIRED FOR ADAPTATION

THE EYE

MECHANISM OF EYE

ACTION OF LIGHT UPON THE EYE

INTELLECTUAL ADAPTATION NECESSARY

VALUE OF SUNLIGHT

EFFECT UPON HEALTH

ACTION IN NATURE

NATURAL LIGHT IN BUILDINGS

DIRECT RAYS OF THE SUN

FACTORS DETERMINING THE AMOUNT OF LIGHT ADMITTED

REFLECTED LIGHT

LOSS OF LIGHT THROUGH DIFFERENT GLASS

WINDOW AREA REQUIRED

ARTIFICIAL LIGHTING

EFFECT UPON THE EYES

EVOLUTION OF LIGHTING SYSTEMS

BEST MEANS OF LIGHTING

OBJECTIONS TO OPEN BLAZE FOR LIGHT

DIRECTION OF LIGHT

PSYCHOLOGICAL EFFECT OF LIGHT

INFLUENCE UPON THE EMOTIONS

SOFT LIGHT SOOTHING

BRIGHT LIGHT STIMULATING

SYSTEMS OF LIGHTING

DIRECT

INDIRECT

SEMI-INDIRECT

EFFECT OF INSUFFICIENT LIGHT

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