On Wed, 26 Jan 2011 20:20:55 -0600, Ken wrote:
Can you cut two slots with a Dremel tool or a hack saw on opposite
sides of the exposed pipe? You could then insert a piece of steel
across the slots and use a pipe wrench or crescent wrench to remove the
nipple.

Interesting idea! Very interesting. I wonder if it will work.

The danger, of course, is that the 50-year-old pipe will just break ...
but it's a great idea to add to the arsenal.