Build a Treadle Lathe
There have been many manual powered lathe designs in history, such as the well known pole lathe. There are also treadle lathes such as the one built by Chris. Check out this video:
Category: project
Cryptex
From Wikipedia: The word cryptex is a neologism coined by the author Dan Brown for his 2003 novel The Da Vinci Code, denoting a portable vault used to hide secret messages. It is a combination of the words cryptology and codex; “an apt title for this device” since it uses …
