History of the Flip Clock

The flap display was invented in 1948 by a self taught engineer named Remigio Solari. His flap display can do numbers and letters.
It was renamed The Solari Board, and first installed in 1956 in Belgium at Liege-Guillemins station. It was such a success to display time and information, that it became industry standard used in places like railroads and airports worldwide.

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