IN many of the long stretches of main roads between towns and villages the only practical way of lighting at present seems to be by means of the lamps on the vehicles. In a paper on “Electric ...

AT the tenth annual conference at Margate of the Association of Public Lighting Engineers, a paper was read on September 5 by Mr. G. H. Wilson on electric discharge lamps and their applications to ...

First, let’s make the distinction between Articles 410 and 411 of the 2011 NEC. Article 410 provides the requirements for installing luminaires, lampholders, lamps ...

Electrical discharges could be controlled and guided along complex paths and even around obstacles, by using a variety of lasers, according to the latest work done by an international team of ...