Electric light by the first practical electric arc light in 1806. By the 1870s, Davy's arc lamp had been successfully commercialized, and was used to light many public spaces. The development of a steadily glowing filament suitable for interior lighting took longer, but by the early twentieth century inventors had successfully developed options, replacing the arc light with incandescents. The energy efficiency of electric lighting has increased radically since the first demonstration of arc lamps and the incandescent light bulb of the 19th century. Modern electric light sources come in a profusion of types and sizes adapted to many applications. Most modern
Royal Bath and West of England Society the Royal Bath and West Show, which in 2005 attracted 150,000 visitors. The current president of the society is HRH The Countess of Wessex. The Royal Bath and West Showground is the location for many events throughout the year, including the New Wine summer conferences. John Billingsley (agriculturist): One of the founders of the Bath and West Society Royal Bath and West of England Society The Royal Bath and West of England Society is a charitable society founded in 1777 to promote and improve agriculture and related activities around the West Country of England. Based at the Royal Bath and