While its not electric, I have been dabbling in those aladdin kerosene lamps lately.
They are the mantle types, and give off the light of about a 50-60 watt bulb without any flickering. good enough for a "medium" size room.
I like them much better than a coleman latern, no pumping, hissing pressurized fuel involved...nice and quite.
The two I have are model 11's, made between 1921-1928...over 70 years old and still work like champs!
Good deal when the battery bank drops down!