Treasures from the past [(DVD) videorecording] / produced by the National Geographic Society and WQED Pittsburgh ; written and produced by Joe Seamans.
Documents the painstaking processes involved in the preservation of historic objects by focusing on the restoration and reconstruction of a World War I-era Curtiss JN-4D training fighter plane, a Duesenberg automobile, a 1905 Philadelphia Toboggan Co. carousel, a nineteenth century Scottish sailing ship, and the war-scarred Catherine palace in Leningrad.