Edison's Eco Light from a GE Time Capsule

Edison's Eco light amazing story. 100 yr old capsule opened by GE company works to reveal Edison's lights bulbs that still work. They don't turn on completely but they still have an electrical current flowing in it. his is amazing they didn't hav as much technology as us yet they able to construct a light bulb that still work after 100 yrs concealed in the time capsule.