"...when obviously 
mistuned pipes are ignored, the 12 arithmetic means of the pitches 
across its four octaves are well within one cent of theoretical 
2/7-comma meantone."

Nothing is ever certain, so I wonder to what exact extent the preserved temperament might be a restorer's temperament. Were the "mistuned pipes" mistuned from the beginning and if so, how accurate was the original factory tuning? Are there statistical justifications for not including deviantly mistuned pipes when calculating the arithmetic mean of pitches? Or can we explain how they went out of tune when other pipes did not, etc. Maybe the e-book answers these questions. (In the two late 18th-century English organs mentioned in Padgham's book, the upper pipes were modified by later tuners, so he had to take much of his data solely from the bottom pipes).

The restored instrument really is lovely. Note also the museum link's translation of "Diferencias sobre la gallarda milanesa, A. de Cabezón" as "Differences with Breaded Gallant Antonio de Cabezon". 
According to Wiki, the Cabezon, Scorpaenichthys marmoratus, is a sculpin native to the Pacific coast of North America. I think Cabezon was a Pisces, not a Scorpio, but alas this sad pun missed his 505th birthday (30.March 1510) by 2 days. I'm not sure I would fry a crumbed Scorpaenichthys as their spikes are venomous.
Michael Shields, Galway
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