John, I think what Charlie means by 'Divided developers' is developers that are made up from varying quantities of part 'A' and part 'B'. Not two-bath developers that have only the developing agent in the first bath, and the activator/alkali in a second separate bath.(posted 8541 days ago)One of the best developers I ever came across was an obscure two part Italian concoction. (At least, the label and instructions were in Italian with just a photocopied piece of paper giving a bad English translation)
It was amazing stuff with, IMHO, an ideal balance of grain, film speed, and tonal range, but when I went back to the supplier there was no more to be had, and I've never seen or heard of it since.;-(
This was 20 years ago, and I'm beginning to think I might have dreamed the whole thing.