General Motors constructed two Plexiglass Pontiacs, the original for the 1939 New York World’s Fair and a second updated model when the fair was extended into 1940.
The 1940 Pontiac was restored and featured in the September 1977 issue of Antique Automobile.
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Thank you to Industrial Artifacts Review
Forget the Ghost chairs!
*See also: http://blog.hemmings.com//tag/see-through-cars/