From: "Mel Bartels" 
To: "ATM list" 
Reply-To: "Mel Bartels" 


>>>
Does anyone know of empirical information regarding the thickness of
aluminum coatings, and how variances in thickness from the center to the
edge of a mirror might affect the mirror's figure?
<<<

See Strong's Procedures in Experimental Physics where he describes
parabolization of a spherical 12 inch by varying the coating.

Mel Bartels

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