Thomas Edison, tinkerer

thomas edison  In the late 1870s, Edison designed a vacuum bulb, in which a metal filament could be heated to create light One night, after absent-mindedly Oct 21, 1879: Thomas Edison invents a commercially viable electric light

In the late 1870s, Edison designed a vacuum bulb, in which a metal filament could be heated to create light One night, after absent-mindedly LOADING Thomas Edison โทมัส อัลวา เอดิสัน นักประดิษฐ์และนักธุรกิจชาวอเมริกัน เสียชีวิตในวัย 84 ปี หลายคนเข้าใจผิดคิดว่าเอดิสันเป็นผู้คิดค้นหลอดไฟ

for them See here , they said We want you to get us out a telephone Very well , returned Edison No sooner THOMAS A EDISON 63  Thomas Edison didn't invent the light bulb—but here's what he did do With more than a thousand patents to his name, the legendary inventor's