Well done! It really is the link between the valve and transistor changeover.
I have one of these too - it too had the crumbling tuning gang grommets. A new volume pot and a electolytic cap, and a lot of elbow grease to remove the dried blood and guts from the case and grille. It belonged to a butcher! Thread is here:
https://www.vintage-radio.net/forum/...d.php?t=108698