Just read the article; and it mentioned more info exits on-line. I went scurrying into the kitchen's garbage bin to retrieve the magazine's wrapper. Fortunately, my wife hadn't thrown too many table scraps into the garbage so I was able to retrieve it with only minor mess strewn over the floor (sure wish View Camera would come-up with a better method ). The on-line article includes greater detail on sensitizing the tissue, light source, contrast control & info about "the dark effect". Great article and much appreciated effort by B&S to make this process more widely available. | 
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