The3rd Earl Of Derby wrote:
To get the panels out you must use a jigsaw to as near the beading or the
square inlay edge as possible,once the bulk of the panel is out use a 1/4"
chisle to take out 3" to 4" of the wood thats left in the recess of the
square and do this the other side as well also do it going with the
grain,remove the 3"/4" pieces and the rest will slide out at an angle

--
Sir Benjamin Middlethwaite

Yes, that will get the wood panel out but doesn't explain how I'll
replace it with a glass pane.