Unfortunately these skills are passed on via the time honored and original method of teaching, one person to another. The likelyhood of the lawyer run training agencies teaching this stuff is about zero. Additionally, much of this is not that different from what is taught today--just a much more subtle approach, of course, some things are very different. Maybe someday there will be enough of us that we can create an agency of our own, a Vintage Sub Aqua Club that certifies it members via a voucher. I vouch for you, you then vouch for another in turn certifying each other etc thus handing the skills onward. We could have our own Vintage Sub Aqua C- cards stating something like "the Holder of this card is experienced with all manner of diving gear and it's appropriate use in any circumstaance he/she sees fit"---lol---is this a dream? N