The following video shows an experiment conducted at IPI to illustrate the physical effects that occur on library and archive materials due to changes in humidity conditions. In this example, a vellum bound book (Johann Hübner "Kurze Fragen aus der politischen Historia biß auf gegenwärtige Zeit" printed in 1701) was studied. The experiment started at an equilibrated condition of 55% relative humidity, then conditions were altered to 25%, back to 55% , and finally to 75%. The duration of the experiment was 12 hours and conducted at room temperature.
https://www.youtube.com/watch?v=e2Q0FTVN5hA
Comprender los efectos de la temperatura y la humedad sobre los libros encuadernados:
https://www.imagepermanenceinstitute.org/resources/newsletter-archive/v27/understanding-temperature-and-humidity-books?utm_medium=email&utm_campaign=Climate+Notes+v27&utm_content=Climate+Notes+v27+CID_70ddc28b7ab9ad5b554c5f6efb10cea7&utm_source=Email%20marketing%20software&utm_term=Read%20More
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