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40. 



9 ^ 



v?-; Deacidified using the Bookkeeper process. 



" Neutralizing agent: Magnésium Oxide 

 X' Treatment Date: September 201 2 



Preservationïechnologies 



.0^ ^ < A WORLD LEADER IN COLLECTIONS PRESERVATJOW 



^ ^ 111 Thomson Park Drive 



*"iVv\/ CranbenyTownship,PA16066 



(724)779-2111 



