Sandro

In old times, to heat a sized screw they red hot heated a piece of steel or better copper on the forge and pressed and kept it for a...

Thank you Antarticpilot, I can see very clearly what the North Magnetic Pole is and figure the field lines all around the earth, the...

As Roger says. The hot metal melts into the surface so the only long term solution is to sand back and re-polish.

It appears to have a stop pin in the base to keep it upright....as well as a rope to secure it and probably lower it

As far as one can rather clearly see from the photo, the opposite sides of the hinged quadrilateral are the same length. It is a...

I'm sure you would have been told that, and that's what one would instinctively do in a workshop or site service environment where you...