Re: Question regarding an homebuilt focusing schlieren system

[Andrew Davidhazy <andpph@xxxxxxx>]

Interesting reference page. Incorrectly spelled URL leads to correctly spelled 
webpage! - andy

Roger Eichhorn wrote:
> I presume you've already run a check using Google for "schlieren  
> optics."  the first reference of 44,000 is http://www.fas.harvard.edu/ 
> ~scdiroff/lds/LightOptics/SchleirenOptics/SchleirenOptics.html.   Others 
> offer to sell you the components, or even a complete system.
>
> Roger