For capacitors I would use axial type rather than radial, as these will look more authentic,
http://www.ebay.co.uk/itm/0-047uF-47...3D111436110582.
I repaired a Philips cabinet with far worse damage than yours with car body two part filler, mine had pieces missing, I finished up spraying the case to cover up the problem, unfortunately I did not take photos of the repair, but I did for a similar GEC,
https://www.vintage-radio.net/forum/...d.php?t=107011. If the dial drive wire is broken or rusty, it is best replaced, I have a some if you get stuck.
John