wow, thats A LOT of information collated there, and to think that there is much more.
Be careful. There
may be some more information available in the extant files. I can't promise anyone that there really is a needle in the remainder of the haystack. I did what I could with the time and money available in 2003. My theory was that perhaps a "brute force" approach would turn something up--reading every page of the finding aids and every entry in every index that I could retrieve from the stacks. I took notes on things I found interesting, partly to keep my mind from turning to mush, but I did not find what I had hoped for: a note from a fastidious administrator detailing what was done with the sextant box, shoe parts, corks, and bones at some
turning point in the WPHC administration.
As the archives are in Auckland, and I am in Wellington I doubt how I could be of much help with the information gathering.
Get on the train, ride to Auckland, and donate a month or two to reading at the Archive. Let us know what you find.

P.S. I hit the wrong button and modified your post instead of replying to it. My bad! Marty