12-06-2015, 10:12 AM
if you have about 2 hours of time to burn, this is fairly interesting on early scuba and how it was used in caving.... mostly sump diving.
Part 1
Part 2
Part 3
Part 4
check out Sid Perou's other videos
Part 1
Part 2
Part 3
Part 4
check out Sid Perou's other videos