I 



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Deacidified using the Bookkeeper process. ' 

 Neutralizing agent: Magnesium Oxide 

 Treatment Date: Oct. 201 2 



PreservationTechnologies 



A WORLD LEADER IN COLLECTIONS PRESERVATION [ 



1 1 1 Thomson Park Drive ; 

 Cranberry Township, PA 16066 

 (724)779-2111 J 



