In a letter to customers dated 21 November 1988, Symbolics Customer Service announced its holiday schedule, which includes July 3rd and 4th, 1989. If you require service coverage on these dates, please notify Symbolics Central Dispatch at 1-800-824-4263 before 5 p.m. Pacific Time, Thursday June 29, so that arrangements can be made to support you. Regards, Reza Seddigh