I was under the impression that these exercises were based more on the teachings of Tempu Nakamura than of Osensei. Sort of Tohei's own quest to find some understanding in how OSensei did what he did than a continuation of what he had specifically been taught by him. Anyone?
Well, Tohei got his baseline information from Nakamura, but the exercises for Aikido that Tohei began to teach were based around Aikido practice... and most of those came from Ueshiba because Tohei was Ueshiba's chief Aikido instructor, not a Tempukai instructor.
We know at least one of the Misogi/ki drills that Tohei published was actually a borrow of one of Ueshiba's drills. What I'm suggesting is that Tohei probably used more of Ueshiba's kokyu/ki drills when he first started teaching these things. He could not have been teaching Nakamura stuff in Ueshiba's dojo or to Ueshiba's students. We should try to inventory those early drills.