Word: freitag
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Books of this vintage are actually far more troublesome than those printed before the mid-1800s, when the quality of paper used took a turn for the worse, Freitag said...
...said that the libraries often lack air conditioning, humidity control and proper lighting. Freitag added that a 1976 survey conducted by the University showed that less than half of the 40 largest libraries at Harvard were air conditioned and humidity-controlled, and most others have no money to add air conditioning...
Some of the rarer books have been placed in climate-controlled storage rooms, Freitag said. The lights in these rooms are screened to keep harmful rays from reaching the books...
Some books are stored in acid-free boxes and envelopes, which "won't stop deterioration completely, but will slow it down," Freitag said...
Despite the progress she and others have made thus far, Freitag said that she fears that these efforts "may be only a drop in the bucket," adding that "sometimes I get discouraged when I see the shelves and shelves of things that should be done...