#Chemistry

The following are recipes for a black-and-white film developer known as H&W Control (Holden & Weichert, 1973). It is one of a variety of developers I have been testing along with a low-speed, high-resolution document film called Rollei ATP 1.1.

“This data represents my efforts to reach and maintain optimal wet-lab processing of Ilford HP5 Plus black-and-white film using Rodinal developer.”