1930s advertising amateur-photography collectable cover customer-service developed-photos-folder documentation end-product fonts historical history material-property negatives outsourcing paper paper-product photographic-developing photography photos predigital printing prints product publicity rectangular signage vintage artwork illustrated 35mm analog asa basic camera-film cannister container dark-room-required detailed develop film film-photos film-speed iso light-sensitivity old painted painting photo photographer pre-digital print protection protective retro seventies shoot shooting size speed style undeveloped 1-hour-mechanical-timer 60-minute-visual-timer alarm alert anti-clockwise bell-tone-ring case classroom-teaching-tool clock-wise cooking-timer countdown-timer dial divisions fitness-exercise-timer games-timer internal-mechanism internal-spring kitchen-timer mechanical-countdown-clock mechanical-timer minutes multi-use-timer numbers photography-darkroom-timer plastic pointer ticking-timer time-management time-up-bell white 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 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 grid-pattern