analog archival blue-and-white data-storage documents durable enlargement enlarger fiche file flat-sheets lens light machine magnification magnifier microfiche microform microreproductions miniature miniaturization miniaturized minimization negative pages photographic-image polyester pre-digital printed-information projector reading record recorded records reduced reduction retrieval saved screen small small-sized space-saver storage storage-efficiency storage-space thin transmission transparent transparent-film card files filing film grid-pattern printing