Miniature steam-driven trip hammer. 3:09 video:
https://www.youtube.com/watch?v=XKQgrj3Vd5A
Previously:
https://www.homemadetools.net/forum/...2209#post75951
https://www.homemadetools.net/forum/...700#post163221
https://www.homemadetools.net/forum/...200#post161258
https://www.homemadetools.net/forum/...3276#post77769
https://www.homemadetools.net/forum/...196#post172595
https://www.homemadetools.net/forum/...959#post168007
https://www.homemadetools.net/forum/...279#post181033
https://www.homemadetools.net/forum/...075#post172161
https://www.homemadetools.net/forum/...025#post157085
https://www.homemadetools.net/forum/...934#post156696
https://www.homemadetools.net/forum/...386#post154566
