George Kravis II, one of the country’s top collectors of industrial design, has donated a number of important objects to the Cooper Hewitt, Smithsonian Design Museum in New York. Among the gifts are a set of Ruba Rombic vases and a decanter by Reuben Haley, whose graceful, geometric works were inspired by Cubist paintings; an aluminum and walnut punch bowl and a set of sculptural pitchers by Russel Wright; and a Wells Coates AD65 radio that is particularly near and dear to the collector’s hear