wrote:

Like I said, this is thick glass, and the crack is clean. I
just need to remove the wooden strip and lift the piece a little
to glue it, then stuff putty around it before replacing the
strip.

No-brainer: clear silicone adhesive/caulking.


--
So if you meet me, have some courtesy,
have some sympathy, and some taste.
Use all your well-learned politesse,
or I'll lay your soul to waste.