Roll the Mouse to the numbers and click to Go To Chapter INTRODUCTION VALVES BEFORE HISTORY TO WWII SUBMERSIBLE PRESSURE GAUGES GAGNAN - COUSTEAU ENTERS THERMAL PROTECTION THE EARLY SCUBA EQUIPMENT MANUFACTURERS BUOYANCY COMPENSATORS GOING DEEP MASKS THE SINGLE HOSE REGULATOR FINS THE DIVING STORES COMES ALONG SNORKELS ETC. DIVING CLUBS DIVE TABLES AND COMPUTERS THE "DIVER DOWN" FLAG THE RISE OF INSTRUCTIONAL AGENCIES SCUBA CYLINDERS AND THEIR CHANGES LOCAL AND OTHER INFORMATION Test Your Knowledge The Full Text - Suitable for Printing