27 janv. 1880 - Thomas Edison Patents the Light Bulb
Description:
Thomas Edison's light bulb was an important development in the erection of large and compact cities as they had an increased fire risk from using candles and oil lamps in confined spaces. This is one of the many hurdles that had to be overcome with increasing population density.Ajouté au bande de temps:
Date:
27 janv. 1880
Maintenaint
~ Il y a 144 ans
