Thanks to the info here I got my truing stand straightened out last night. Also took the opportunity to fix the dish in the Centurion's wheels. I had bought them (Sanshin hubs, Araya rims, unknown brand SS spokes but with 14 gauge nipples) from someone on BF who promptly disappeared. As delivered they were not great, had mismatched skewers, mismatched bearing cones on the front so it was offset laterally. I'd done a half-hearted fixin' job, never noticed any pulling or tracking problem but haven't really pushed it hard all that much. Took it on my commute this morning and it rode great.

Of course none of this helps the OP with his pulling-to-the-right problem.

I did not try using the trying stand as a hammer, screwdriver, or wrench. It's just a bit to awkward for that.