On 2 June 2010 23:36, Ian W. Wright <[email protected]> wrote:

> The hair also has a 'right' and a 'wrong' direction. The
> scales of the hair grow so that they overlap in one direction so that,
> when the hair is pulled through the hand in one direction, it feels
> rough and in the other direction, smooth. This is important for violin
> bows

That makes sense, and has gone into my trivia-memory. Do you know if
violin bows are all the same way, carefully equalised, or randomised?

-- 
atp

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