From: "Dwight K. Elvey" 
To: atm{at}shore.net
Reply-To: "Dwight K. Elvey" 


>To: "Jerry B. Hillman" , atm{at}shore.net
>
>Hi Jerry,
>
>I am not very familiar with ronchi images, except for what I have seen here
>on the list.   But there is a similar test that I use with the Foucault test
>with the KE inside the ROC.  Also ATM1 has a nice section on interpreting
>ronchi images.
>
>First, let me kiss the ground you walk on, because you have 'licked' the
>TDE.   The large gentle curve that you see in the outer area is a shorter
>ROC than in the central area where the bands are straighter.  i.e. a large
>turned up area!

Hi
 Look again. The last shot was done outside of ROC. He still
shows the same TDE as the previous picture, just a different view. Dwight



>
>Time to start parabolizing that glorious slab of glass...
>Best of luck
>sd
>----- Original Message -----
>From: "Jerry B. Hillman" 
>To: 
>Sent: Wednesday, April 30, 2003 6:23 PM
>Subject: ATM figuring problem
>
>
>>
>> Hi all,
>> I would appreciate suggestions on how to attack the edge on this mirror.
>It
>> seems to be resisting all my efforts.  Inside ROC and Outside ROC pics can
>> be seen at
>>
>> http://www.convertabarn.com/Figuring.htm
>>
>> It will be the two pics listed in the right hand column.
>>
>> Clear skies, Jerry
>>
>>
>>
>>
>
>
>
>

--- BBBS/NT v4.00 MP