Twice this week while I was researching difficult to find information on the evolution of diving equipment and dive industry history, the source with the answer during Google searches turned out to be SB. I just wanted to share because I know it will make Pete smile and thank the people who participate in the various forums on this site for freely sharing your knowledge.
A post by John C. Ratliff in 2010 saved me an enormous amount of digging.
A post by John C. Ratliff in 2010 saved me an enormous amount of digging.