Metol Development of Calotypes

Calotypes

This was my research during an internship at Renaissance Press a few summers ago.  My goal was to quicken the development of calotype negatives to a few minutes instead of the 30-120 minutes necessary to build up enough density with gallic acid.  (Pyrogallol is too aggressive and produces too coarse of grains for my taste.)  Thus I began experimenting with Metol developers.

I would consider this research incomplete, and will begin more tests soon.

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