There is mention of Steiner's method in Tim Rudman's Master Printing Course. Its a bath based on Farmer's Reducer. Check it out, p114. From the way it's written, it appears that Steiner must have kept the formula something of a secret. Rudman's book is excellent, by the way, at least for someone looking to improve his/her darkroom skills from the basics (like me).(posted 8328 days ago)