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Old 08-24-2019, 02:34 PM   #9
Holy smoking keyboard!
Join Date: Feb 2002
Location: London Town
Posts: 5,634
Default Re: Alex Currie's pipes

That page seems a little bit confused about the sequence of events. In particular, there were various methods of generating and measuring the old low pitch, which was variably 435-439 depending on who you asked and how they measured it. The actual convention that A=440 was not established until 1939 and did not become confirmed by ISO until the 1950s.

The Versailles thing was, like the rest of that (treaty) Article about creating common standards and free trade (plus ša change, huh), and probably, if you dig into the details, conferred some sort of advantage on the part of the Allies for instrument makers.
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