Possible unwanted behaviour of scale factor?

[David Gibson]

In article "Possible unwanted behaviour of scale factor?" in <!survex>,
on Thu, 2 Apr 2015Andrew Atkinson <andrew at wotcc.org.uk> wrote

>> How do you determine the 0.752 scale factor?
>
>Wikipedia, refractive index of water is 1.33, granted at 20C and for 592nm,
>neither of which are quiet true, but this was just to show it worked. So if
>anyone knows the refractive index of wookey cave water for a distox2, we
>can improve.....

This paper might be of interest...

<URL:http://optics.sgu.ru/_media/optics/staff/bashkatov/
bashkatov_spie_03_5068_393.pdf>

(just another Google search :-)

-- 
David Gibson