Antiquing is one of the favorite sports of the nation's rich. Just about the biggest sportsman of all is Wilmington's Henry F. du Pont. Since 1928, Du Pont has spent about $20 million to fill his 185-room Delaware mansion, "Winterthur," with nothing but the best in U.S. antiques.
Last week Du Pont opened Winterthur as a public museum. Guests found over a hundred of its rooms made into authentic re-creations of American living quarters from 1640 to 1840. Winterthur's indoor bowling alley had become an 18th Century shop lane gleaming with china and pewterware. The badminton court was now a cobbled indoor...