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Fig. 3 | Heritage Science

Fig. 3

From: Non-destructive collection survey of the historical Classense Library. Part II: Conservation scenarios

Fig. 3

Demographic curves based on different environmental management scenarios. Left: curves for the books of the C collection stored at Caveau conditions (20 °C and 60% RH); the dashed-dotted line includes the degrading effect of iron gall ink. Right: curves for the books of the NC collection; the red line represents the summer scenario (27 °C and 56% RH), the black line represents the Caveau scenario (20 °C and 60% RH), the blue line represents the winter scenario (12 °C and 65% RH), the cyan line represents a dry scenario (20 °C and 35% RH), and the green line indicates the scenario which includes deacidification and storage at summer conditions (27 °C and 56%). The vertical dashed line represents the long-term planning horizon of 500 years

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