The woman diver is using a Sea Bee scuba regulator, made in Australia by Air Dive. The sharks were known then as the Grey Nurse.This a later video, but a rare video indeed. It is from the Australian TV show “Skippy”
The NAUI Worldwide Standard Dress Diving specialty course and rally, presented in Australia for members of The Historical Diving Society, Australia-Pacific, by Professional Diving Services.
Portland Naui Standard Dress Courses