FILE NAME: RT Vanderbilt (RTV) DATE: 1930 DOC#: RTV031 DOCUMENT DESCRIPTION: Ceramic Abstracts from The American Ceramic Society The Am erican Ceram ic Society February 15,1993 I hereby certify that th e attached copies of C eram ic A bstracts, V olum e 9 ,1530, a i t true and accurate copies, which are mgmtainfjl jn tfif; nramal M irtenf at the Amrainan Ceramic Society- 735 Ceramic Place, W esterville.

FILE NAME: RT Vanderbilt (RTV) DATE: 1939 DOC#: RTV029 DOCUMENT DESCRIPTION: Ceramic Abstracts from The American Ceramic Society 1W -.31.2000 11:32AM TAhme e.rican// Ceramic / Society / NO.519 P.2/14 February 15.1993 I hereby certify that the attached copies of Ceramic A bstracts, Volume 18,1939, are tree and accurate copies, which are maintained in the normal course of business at the American Ceramic Society,735 CeramicPlace, Westerville, Ohio 43081