Kodak R-4[b] - Farmer's Reducer (Single Solution)[Two Solution]

Solution A

Water - 1 fl. oz. - 30mL - 1 1/4 fl. oz.
Potassium Ferricyanide - 15 grains - x g - 18 grains


Solution B

Water - 32 U.S. fl. oz. - 1 L - 40 Imp. fl. oz.
Sodium Thiosulphate (Hypo) - 1 oz. avdp. - 30g - 1 3/16 oz. avdp...