To comply with new laws on reducing energy usage, fluorescent and HID lighting systems — both examples of arc discharge lamps — have become more complex and varied in their performance. To understand ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. A 6-pin brass base with fiber ...

The high-intensity discharge (HID) lamp offers a host of benefits for a broad range of lighting applications, even as the LED revolution in lighting continues apace. Although subsequent legislation ...

So many rival forms of lamps have recently been devised for regulating the electric arc light that even specialists in this branch of applied science have some difficulty in keeping up a knowledge of ...