Description:
(initially found on the wikicommons, and traced in inkscape by myself...) Description: Side view diagram of the Back to the Future: The Ride theater showing the ride vehicles in their lowered (bottom) and raised (top) positions as well as in the process of being raised into the the theater (middle) Source: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5192247

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