1879-LAMPARA OR BULB INCANDESCENT-Thomas Alva Edison, USA

The invention of the incandescent lamp is generally attributed to Thomas a. Edison, presented on October 21, 1878 a practical and viable, lamp that showcased during 48 hours uninterrupted. Thereafter the bombillase has become one of the experiments but used by man since its creation to date. Completely change the life of the people of that time, as they were accustomed to alaumbrarse with candles or alcohol, lamps and this inveto perhaps saving them efuerzo and work, and allowed them to carry out various activities, such as working more night.