International Journal of Diving History (HDS UK) Vol 10 February 2018

A very unique Anglo-French “Charles Petit” Diving HelmetPhilippe Damon (Translated by Sylvia Nadeau)3
The amazing dives of Hannes KellerVal Hemplemann12
The CG45 and the Mistral - twin hose demand valves that enabled sport divingDr-Ing Lothar Seveke (Translated by Peter Dick)22
Thomas Neale – A late 17 th Century projector’s storyPeter Dick with Michael Fardell43
The Soviet depth recordsDr Alexander Sledkov49
The Sydney diving bell: a history of the earliest diving in AustraliaMichael Fardell & Des Williams59