Pony bottle

Pony bottle

A pony bottle is a small diving cylinder, often of only a few litres capacity, which is filled from a main tank before a dive and fitted with its own independent regulator. In an emergency, such as exhaustion of the diver's main air supply, it can be used as an alternate air source during emergency ascent.

References

*cite book
last = Busuttili
first = Mike
coauthors = Trevor Davies, Peter Edmead "et al"
title = Sport Diving
publisher = BSAC
date = 1959
pages = 72,130
isbn = 0091864291


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