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https://en.wikipedia.org/wiki/Split-flap_display https://en.wikipedia.org/wiki/Split-flap_display https://en.wikipedia.org/wiki/Flip-disc_display https://en.wi

• msarnoff 11mo ago
  When I was last at Penn Station in the 2010s their departure board was a mosaic LCD like the article, not a split-flap display: https://upload.wikimedia.org/wikipedia/commons/b/bd/Penn_Station_departure_board.jpg https://upload.wikimedia.org/wikipedia/commons/b/bd/Penn_Sta... I do miss the split flap displays at the Boston and Providence Amtrak stations though…