The Diver at Winchester Catherderal, early 1900’s
Old school diving. More
antique diving suit sketch (technical)
Carmagnolle Diving Suit, 1882 I think I've found the original inspiration for the big daddies in the BioShock games!
1916: an early treatment for sex addicts. Once submerged under the ocean in this suit, the only thing he's going to be feeling is seasick.
Diving suit by Salim Peress used to explore the wreck of the Lusitania, 1937
diving helmets - Google Search
Early 20th C brass and copper diving helmet
There were three generations of Neufeldt-Kuhnke suit to work in deep waters. This one is from This third generation shell (produced between with a closed circuit breathing system was safe up to a depth of 525 feet m), and had a telephone!
DivingHeritage - the worlds largest virtual diving helmet museum