Myford ML8

I am restoring a Myford ML8 lathe together with some of the attachments,one of which is a Mortiser Attachment 25/001.I`m looking for a few parts for this namely Chisel Holder 32/012 &Hollow Square mortise chisels and bits 32/007 to 32/011. If any one out there knows were I can locate these items please let me know .Cheers