DMC-7 8
"Seen a DM-7 on a job 1977-8 time frame, I believe there was a tensioning knob with a bump feature to quickly disengage the adjustment wire, which had jumped the shive inside the helmet with the diver trapped inside…ended up using a big…"
The Commercial Diver Network
Kirby Morgan Superlite 17K dive helmet with bag $5500Continue
Started this discussion. Last reply by Thor Harster Nov 4, 2019.
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