Me in pic of course. Built this helmet in 1966 and added regulator 2 years later. 1/8" sheet lead sandwiched in fiberglass gave neutral buoyancy. 8" sewer pipe O ring in neck dam fitted over ridge in helmet. Chin pad in helmet allowed for easy breathing directly from regulator, but mostly used free flow as incoming air was quiet, most noise coming from Desco exhaust valve. Helped three other divers build helmets from my mold. Better pic of helmet on my page.
Comment by A.. Parnell on April 13, 2010 at 12:10pm
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