Response to Rodinal, Rodinal, where for art thou, Rodinal?

Several of the respondents suggested using or asked for the formula for Rodinal. AFAIK, the formula is secret. There are several guessed versions of the formula that are said to work well. One version appears in The Film Developing Cookbook by Anchell and Troop and in The Darkroom Cookbook by Anchell. A somewhat different version is one the web at Jack's Photographic and Chemistry Site: http://www.jackspcs.com/frodinal.htm. Assuming that I haven't made a mistake, the version on the web has half the concentration of the ingredients as the version in the two books.

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