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