STANFORD UNIVERSITY MEDICAL CENTER STANFORD, CALIFORNIA 94305 © (415) 921-1200 STANFoRD UNIVERSITY SCHOOL OF MEDICINE Department of Genetics Professor Joshua Lederberg President The Rucker Company 1339 Broadway Oakland, Calif. Dear Sir: Would you be kind enough to advise me about the current availability of GFI equipment for (1) home and (2) leboratory, shop and hospital] use on braen circuits? I think the enclosed article, which appeared also in the S.F. Chronicle for ‘ebr. L,will be of interest to you. Sincerely, Dr Bay