I have a couple things to report.
First, I did finish that chemisette for my bustle dress, so I'm calling that ensemble "done" for now. I still want to make a corset cover, and I may need to add some more hooks and eyes in places, but the whole thing is wearable and I'm pleased with the result.
Second, I went back to working on my corded petticoat. I actually have 24 rows of cording done! I decided that was about enough, at least for now, and I'm working on the waistband and hemming. Here's a picture when 23 rows were done: