In paragraph 23, chapter 4, page 58 of On playing the Flute Quantz writes on intonating:
“The flute has the innate defect that some of its notes when sharpened [playing sharps] are not quite true, some being a little too low, some a little to high. For in tuning the flute ...
Note to self: use delicious tags such as photoblog-posts for my photoblog.