Centenary of the Illuminating Engineering Society in 2009100 Jahre Society of Light and Lighting

2009 feiert die Society of Light and Lighting (SLL) ihren 100. Geburtstag. Aus diesem Anlass gibt es eine ganze Reihe von Veranstaltungen. Mehr>

The Illuminating Engineering Society was founded in 1909 by a small enthusiastic group consisting of lighting engineers, electrical and gas engineers and representatives of other professions. More>