Abstract :
After two years in service, the fluorescent lamp has definitely established itself as a new tool for the illumination engineer that will supplement, but not supplant, other light sources NEW in theory, design, and appearance, the fluorescent lamp was introduced some two years ago to the public and the illuminating-engineering profession at almost the same instant, giving the latter little time to study and prepare essential data before the former began to insist upon its application to every lighting field. The past two years, therefore, have been a period of catching up — of constant improvement in the lamp and its auxiliary equipment, and of rapid assembling of data on its performance and its limitations as a practical and economical light source.
