lectricity Invented 1809 By Humphry Davy (arc lamp) First production 1879by Joseph Swan
and Thomas Edison(first demo withincandescent bulb). Electronic resyrambol 😆 Economic
e - Wikipedia en.wikipé :,Out ; Elétrica_ling lampions bet pc Essentially: The " Lightbulb is à
y thin filament Of hard-to/melt metal comtungsten; 😆 usually elencaSted from A glasse
filled With exert gases so thatthefilamento doesn'ts oxidiSE And disintegrate!
