Got a Roskopf second version pocket watch (pin pallet escapement) a few days ago. It has really big parts compared to my earlier repairs (seagull ST-6, DG2813, EB1197..). It has brass holes and jewel end stones at the balance. More weird is the rest of the train; brass holes in the main plate and jewel holes on the bridges up to the escape wheel. The rest has brass bushings. Temporarily applied 9020 in all places up to the escape wheel and after shaping the broken balance spring it is ticking we