Don't you think that Britain has now been turned into a bit of a club that's getting out-of-hand and wasting colossal amounts of money on a gravy train for wannabe politics who couldn't hack it in the EU?
I rather like the idea of TIG Brazing; perhaps TIG Silver-soldering is a possibility; it would need less heat than even a TIG Braze, so would likely distort much less. There are several videos on You Tube.
About 20 years ago, I broke some old shellac record discs into little bits, and dissolved them in meths, as I had read in "Woodworker" magazine that they made a good eboniser. Still got the eboniser; still haven't got round to trying it on a bit of wood!
Remove from the machine, bevel the edges of the break, align and clamp the 2 parts to a flat support , and bronze weld it. About half an hours work. Unfortunately I live in Kent; otherwise I'd do it for you while you wait.
I understood that it was the glue used for laminating the plies that was the problem; bulges would appear on what should have been flat panels, or the outer plies of a panel would lift away from the inner ply which would remain adhered to the rib or former.
There's a woodworking news group mainy peopled by Americans, who seem to always worry that their shellac has a limited life in a bottle. I've got bottled shellac that I use without problems that must be 50 years old! (And if I had a problem, I wouldn't be at all suprised to discover that the...