BERKELEY: DEPARTMENT.-OF ZOOLOGY April1 )4 60 Dear Josh: I'm glad the TV out@it is OK, I could not locate the repair monual, If any servicing problem comes up, contact Mr, Johnson at Gray Audo- graph in San Francisco, who is the local Hallamore representative, Have made inyuiries about the glass tape, The Local Corning representative only know that it exists and has written on for more details, JI am also told that there is a Dupont Mylar th.:t should be Satisfactory in terms of lateral rigidity and insensitivity to temperature, Will let you know more when we receive the information. Best regards, UNIVERSITY OF CALIFORNIA— (Letterhead for interdepartmental use) ‘d wizew