underwater navigation

Rules to Live By

I wrote the following to our daughter on the occasion of her 21st Birthday …. ————— The years have gone by so quickly since you were born, and in that time, I have been remiss in advising, counselling and guiding… Read More ›

The Six Bolt Helmet

Tasked with updating the Standard Dress diving equipment then in use in the early part of the 20th Century, Robert. H. Davis – the Managing Director of legendary diving equipment company, Siebe, Gorman & Co. – designed a helmet attached… Read More ›