Chater Lea Chainring and tandem headset clip

[Doubledee]

Im looking for a 48-52 tooth 3/32 Chater Lea chainring to go on my tandem straight through drive 3 arm crank set, anything considered as lonmg as its not got very worn teeth, also after a headset clip anmd lock nut in ok condition for a tandem
Well anything tandem chater lea !
Cheers Darren