Charles--jmt class of 54 huh? I'll bet you laugh at us young'uns with our supposedly newfangled gear...lol.
Cool stuff--I'll check out some of these other books.
I was surprised that they talked about twin aluminum stays in a rucksack, inflatable pads, etc, 60 years ago. I really thought those were innovations in the 70s and 80s. I guess we really aren't all that smart nowadays--just have some better materials to work with :-0