Bronze age spear head.

[David R]

Originally Posted by kronckew

Reminds me of a chemical plant construction project for Monsanto in Decatur, Alabama I was a project engineer on, My employer was responsible for the main plant inside the battery limits (IBL), another Co. did all the storage tanks & associated piping and pumping facilities outside the battery limits (OBL). At the point we met, turned out we were a few feet offline. The OBL people used metric, and we used USA 'English' coordinates. After scratching our heads, we connected with a nice zig-zag and called it a 'thermal expansion joint'. Everybody, including the client happy.

Yup, this happens!