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Slight hijack, but sorta in line.
Was talking to an old guy today (older than me), and he was selling some tanks. He referred to one as a 10lb pony tank.
I thought it odd since he could not tell me how many cf it was.
Question- Were tank sizes ever referred to in pounds in the distant scuba past? 1950s-60s-70s
thanks, sorry for slight hijack
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