Chris:
Unless (Yeah, I know I'm being optimistic.) my mind has become a "little?" befuddled, one of the great things about the 60's era of that reloading book is the cartridge "wildcatting" that was going on at that time. Handloading was a very hot hobby and not just for the high volume shooters. In those days you didn't have to worry about some lawyer trying to sue you for an information manual that warned you, unlike today.
Bountyhunter