Pirelli Explorer Maior

[Goonzodiver]

The patent (Novelli and Buggiani)

US3085571A - Underwater respiration apparatus - Google Patents

patents.google.com

is related to the Pirelli Explorer

Interesting page about Pirelli Explorer

Double Hose Regulators - Pirelli

www.cg-45.com

 

[John C. Ratliff]

The patent (Novelli and Buggiani)

US3085571A - Underwater respiration apparatus - Google Patents

patents.google.com

is related to the Pirelli Explorer

Interesting page about Pirelli Explorer

Double Hose Regulators - Pirelli

www.cg-45.com

Thank you for posting these links, and for further explaining this unique regulator. My LDS has one on display. I’ll try looking it over more closely.

SeaRat