The desired head position is shown in the photos in 9-1 -- the "Body Zone". These photos are shown for the stated purpose of depicting the movement of the body that will result in "balance, a motionless head and any required tilt of the torso." In each of the photos, 9-1-1 through 9-1-12, there is a white card on the background curtain that serves as a reference for the motionless head throughout the swing.
See 2-R for a note on how to interpret photos in the book.
Thanks for your reply.
I was hoping that you would reference the photos in 9-1. They too show head movement( more than just head swivel) and your reference to 2-R is the key. Homer states that the photos were posed as expertly as he was able to achieve "as near to 'zero tolerance' as humanly possible". This is the key. Surely his intention is to try to achieve stable head but is aware that this cannot always be achieved ( even when the model is posed by Homer himself - let alone during a full swing).
NOW compare the conditions under which these photos are created with those that have lead to 10 pages of discussion!! Non tripod, non sequencial action photos!! One cannot draw ABSOLUTE conclusions from material of this quality. It may be all we have to work with but that does NOT mean we should therefore work with it - not if the level of conclusion you desire is proof for or against such "absolute" laws.
The real answer is get better data! THEN draw conclusions.
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