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Re: [ATM] LWT setup questions

Hi Don,

In message <000b01c55b3c$c21fda80$6401a8c0@hugo>, 
 "Don Clement" <clement.focuser@verizon.net> wrote:

> Bernard,
> 
> IIR, wayback in the early 70's in the "Gleanings for ATM"  S&T monthly
> column, there was a description of a caustic tester that used a simple
> method of making precision Y-axis measurements without the need for a
> precision Y-axis mechanical stage. The Y-axis measurement was made by  a
> pivoted  plane parallel refractive element using a standard micrometer head
> to precisely position the Y-axis image.

Thanks for the tip. Nothing at hand though coming close to that.

Regards,

Bernard

-- 
Bernard Maugoust 3°59'E 44°28'N

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