As most of you know - it is common practice for a perfect surface to be used (with a flashlight) for edges to be checked. I have read that glass can be used in lieu of a machined top of some sort (most commonly aluminum I believe). Well, I snagged up a glass door from an entertainment center for this purpose, then when I was doing my first full complete restore, I went to check some edges on it and discovered it had the ability to flex. FAIL. It did help some, but not to the degree that is really necessary.
On my way home, I just scored a huge mirror left out on the side of the road - (broken frame). It seems very heavy and solid - though not absolutely positive it will not flex either. The best part so far is that it is like 24x34!
Question - has anyone ever been able to successfully employ a piece of glass for this purpose of checking edges? I don't think I would be able to afford a metal machined (table) top of this size.
Thanks -
John