An opinion has it that it saw light in the period 200-300 A. D., the place of production being Kasmir.

And the three overriding facts are: we have not had a period of light regulation, deregulation did not fail, and regulation makes things worse.

The bulb was a gift from a businessman in 1901 and with the exception of a brief period in 1903, a week in 1937 and some power outages, the light has remained on.