What was the air source underwater for the men of the Hunley?
My understanding was that it never fully submerged. The "conning tower" still stuck up a bit. Air could get in through that. . . but that was still insufficient. It got very stale.
56 posted on 01/30/2015 9:23:58 PM PST by Swordmaker
(This tag line is a Microsoft insult free zone... but if the insults to Mac users contnue...)