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 Queensland Art Society the newspapers were extremely critical. The society received the Royal Warrant in 1926. Royal Queensland Art Society The Royal Queensland Art Society is an organisation for practicing artists and those who appreciate art in Queensland, Australia. It is the oldest art society in Queensland. A meeting was held in the Brisbane School of Arts on Thursday 4 August 1887 to propose the establishment of an art society in Queensland to be called the Queensland Art Society. It had nine initial members. The Queensland Premier Samuel Griffith was the inaugural president and Edgar Walker was the vice-president. Other members included artists