Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A split-flap display, sometimes simply flap display, is a display device that presents alphanumeric text, and possibly fixed graphics, often used as a public transport timetable in some airports or railway stations, often called 'Solari boards', named after display manufacturer Solari di Udine. Each character position or graphic position has a collection of flaps on which the characters or graphics are painted or silkscreened. These flaps are precisely rotated to show the desired character or graphic. Today, these displays are often found in railway stations and airports, where they typically display departure or arrival information, although digital equivalents are far more common now.
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