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Re: [ATM] Autocollimation Oil Test

Friends;
I've tried to follow this thread from the start. Please pardon my 
confusion, I gather you set your telescope, ( or mirror test stand)  
with the mirror under test nearest your roof, supported by its retaining 
clips, pointed down vertically towards a pool of oil. (The telescope is 
inverted) You then test from the position where your eyepiece would 
normally be placed? I don't understand how is the mirror supported. 
Thanks to all for any clarification.
Jeff Rowe


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