Joe Gallagher, left, material controlman from Los Angeles; V.O. Crane, second from left, lead electrician at San Anselmo, Calif., and Ray Preston, right, electrician from Peoria, Ill., check carburetion and electrical testing equipment with Abdul Rahman ibn Sa'id. Gallagher, who seems fascinated with the goings on inside the motor, is an ardent skin-diving enthusiast, while Crane's hobby is photography. Preston is known and liked throughout the district as the man responsible for the fine organ selections in the Persian Room at dinner time.