On the 21st of October 1879 in a laboratory in Menlo Park near New York: After 45 hours an electric light filament bulb dies out. Thomas Alva Edison is conscious of the fact to have developed the first useable electric light bulb.
In 1881 at the World Exhibition of Paris, rightly judged to be an «...epochal invention...», it has changed the life and the rhythm of the people. It is so self-evident, that we will be conscious of it, when we, in the true sense of the word, are sitting in the dark, whether, because there is a power failure or the battery does not work, or if it is only defective.
The oil lamps are homage to one of the most brilliant inventors of the last century with more than 1.000 patents, who has created also the first public electric power station of the world besides the Phonograph: Thomas Alva Edison.