As a rough estimate, one 60-watt electric bulb generates the light of approximately 100 candles. read more
The light bulb in and of itself did not change things much. There was already in existence the gas lantern and many homes were piped with gas, as were streets to serve the gas lanterns along walks and roads. read more
For before artificial lighting, indoors was just as treacherous as outdoors: in Sweden, it was common practice to push the furniture against the walls before retiring to bed, so you wouldn't bump into it if you rose in the middle of the night. read more