What to do with that old slide collection?
NOT so many years ago the hearty suggestion: “Let’s have a slide night” was often enough to make the whole family groan and to induce friends and relatives to suddenly discover prior pressing engagements. And yet, despite the fearsome reputation of family slideshows as the definitive cure for insomnia, hardly a family was without a slide projector and folding screen, and many amateur photographers in the 1960s, 70s and 80s shot more colour transparencies than negatives on their days out with their cameras. (One reason was that it was cheaper.) Actually, the slide fashion was an…