Gas lamp from light bulb.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...p_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...b_gas_lamp.jpg
Previously:
https://www.homemadetools.net/forum/...587#post136265
https://www.homemadetools.net/forum/...775#post163628
https://www.homemadetools.net/forum/...272#post121625
https://www.homemadetools.net/forum/...732#post143773
https://www.homemadetools.net/forum/...3663#post99719