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Very old paper tends to stay white: https://bookcollecting.wordpress.com/2013/03/30/paper-cotton-vs-wood-pulp/ https://bookcollecting.wordpress.com/2013/03/30/p
by InfamousRece 2y ago
Very old paper tends to stay white: https://bookcollecting.wordpress.com/2013/03/30/paper-cotton-vs-wood-pulp/ https://bookcollecting.wordpress.com/2013/03/30/paper-cotton...