This only proves that these guys had their "stuff" together! What a wealth of information all in one place. This should be required reading for every young person learning to use tools. I wish that I had read this when I was a youngun. It would have accelerated my learning curve tremendously.
I have seen excerpts from this over the years but never the whole pamphlet. This is really a great primer for anyone learning the basics of handsaw use(s) and how to maintain