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From: Alexandre Eremenko (no email)
Date: Fri May 27 2005 - 03:26:15 EDT
Frank:
> That's fascinating! Do you have any idea how this calibration machine worked
> (or anyone else, for that matter)? Did you watch the testing in progress?
Yes, I did watch, and posted a detailed description on
this list few days ago. However at this moment I don't see this message
posted.
If I find a copy I will try to post it again.
> Would backlash produce errors like this (a consistent pattern varying with
This also looks strange to me.
Maybe this was not the backslash after all,
(the guy who did adjustment did not speak English.
So far I only managed to measure the index error
after my visit to Freiberg. It is -0.6' now.
(Before it was 0 consistently from October 2004 till
my visit to Freiberg).
Another thing I notice is that the screw rotates more
smoothly after the Freiberg adjustment.
But I am puzzled with this whole business.
Alex.
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