Plumb bob and fire steel machined from rock on the lathe. By Steve Jordan. 8:38 video:
https://www.youtube.com/watch?v=t-qqYX5MTFE
Previously:
https://www.homemadetools.net/forum/...595#post170409
https://www.homemadetools.net/forum/...869#post167705
https://www.homemadetools.net/forum/...773#post167383
https://www.homemadetools.net/forum/...428#post166225
https://www.homemadetools.net/forum/...144#post161058
https://www.homemadetools.net/forum/...756#post159732
https://www.homemadetools.net/forum/...731#post147996
https://www.homemadetools.net/forum/...415#post142616
https://www.homemadetools.net/forum/...nt-video-75808
https://www.homemadetools.net/forum/...790#post144039
https://www.homemadetools.net/forum/...539#post143026
https://www.homemadetools.net/forum/...097#post141220
