Latest Fluorescent lamp Stories
Percival's new LED lamp bank delivers correct spectral quality at the correct irradiance with exceptional environmental control every time. The company provides a webinar to help industry professionals understand the features and benefits of a LED lighting system in research chamber applications. Perry, IA (PRWEB) March 05, 2013 Seeing a need in to bridge the gap between a costly color-specific LED lighting system and lower-cost conventional fluorescent lighting, Percival Scientific, a...
- A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
- A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.