our editor has reached an age where from time to time he feels compelled to bring some order to the junk accumulation zone that passes for his garage. It was during one such bout of neatness-committing, that I came across a dusty old box labelled cryptically “Darkroom junk”. Inside, along with half a dozen 4x5 negative hangers, a film reel or two, and the light source from a long departed enlarger, I found a tattered A4 envelope containing a single, thick piece of black card stock. Pulling the
