From: "Vladimir Galogaza" 
To: "ATM shore" 
Reply-To: "Vladimir Galogaza" 


Arthur,

I will slightly modify on Russels advice.

If you hold polarizer and analyzer  in your hands and move then
simultaneously across the mirror, there is every chance that you will not
maintain crossed positions which will result in false observations.

Instead fix them somehow in crossed position and move glass by hands about.

Vladimir.

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