In researching my reply to mrred, I also found this

http://photo.net/black-and-white-pho...g-forum/00Y2J4

It says that he uses D19 as a substitute for D94!

'Research told me that D-19 with Sodium Thiocyanate added (2g to 1 litre of Dev) was closer to Kodak's D-94 Reversal Process.'