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Looking for Information on Pin from 1970's

Discussion in 'Vintage Diving & Equipment' started by retiredh2obug, Feb 12, 2021.

  1. axxel57

    axxel57 Solo Diver

    Amazingly this SOS 'Automatic Decompression Meter' had been offered by SP since their first Catalog in '62 to at least '81.....
  2. captain

    captain Captain

    I had two of them, first one developed a leak in the bladder, the second was retired when I bought an Edge.

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