Quote Originally Posted by Ian Grant View Post
... So there's another approach which is fairly unique amongst developers for controlling the curve. I used 3 different dilutions for N+2, N and N-2 development which gave far more control than simply altering development time or agitation.

Arnold Gassan published his system for contrast control through dilution with HC-110 in the 70's. It's been discussed several times here on APUG. Perhaps you could post a separate 'How To' with specifics on Goldfield's and your dilution/contrast techniques with Rodinal.