Kodak - Print Selectol
Water 750 ml
Elon 6.0 g
Sod. Sulphite (annhy.) 25.0 g
Sod. Carbonate (mono.) 37.0 g
Pot. Bromide 10% 5.0 ml
Cool water to make 1.0 L
Dilute 1:1 for somewhat low contrast and 1:2 for "soft" images.