July 5# 195& Dr. Harold C» Hodge University of Rochester 260 Crittenden Rlvd, Rochester 7# T7* Y, Dear Harolds Since you did not have a copy of the work performed by PDA on Cellulube 220 and Pydraul 150*I am enclosing a copy of results given to me by Dr* Frawley* I presume these results should be somewhat confidential for the time being* although <©% Frawley doesn’t consider the materials as being particularly toxic* I hope by the time you get this you will have had an enriched trip abroad* Sincerely yours* JFTtrb enc* bos Elmer Wheeler Joseph F. Treon DSW 148019 STLCOPCB4039629