Breathing Appliances Co (Australia)
	Logo from the 50's

Breathing Appliances Co of Melbourne in Australia, was founded by Ted Eldred, who produced the first double stage / single hose regulator (as used today) called the Porpoise. Ted Elfred has never patented his invention.

The first patent for a single hose being for the Cristal of Jean Bronnec et Raymond Gautier in june 1955.

The first porpoise went in Production in February 1952.

Related Book(s)

A complete section on the Porpoise

Porpoise CA 2

2nd version of the Porpoise

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Picture from a catalog

©copyrights for this object are held by Tony Eldred

Porpoise CA1

First commercialized version of the Porpoise the CA1.

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CA1

©copyrights for this object are held by Tony Eldred

Porpoise prototype

Picture of the first prototype of the porpoise.

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©copyrights for this object are held by Tony Eldred