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Thank you so much for digging this up, Elizabeth! I will check out Heather's recommendation. All best, Anna ------------------------------ Anna Shepard Collections Care Specialist University of Minnesota Libraries Minneapolis MN (612) 747-8000 ------------------------------

Hello, I posted several months ago about rapid shifts in RH between controlled storage areas and reading rooms in relation to parchment materials. I'm wondering if folks at other institutions have room humidifiers that they like? Since we don't have space for materials to acclimate to the reading ...

Hi Robin, Thank you again for sharing this helpful information. I'm wondering if folks at other institutions have room humidifiers that they like? Since we don't have space for the materials to acclimate to the reading room in advance, we are hoping to purchase a humidifier that could bring the RH ...

Hi Robin, This is extremely useful information! Many thanks to you and the expert for the input. We will put this information to good use! Thanks so much, Anna ------------------------------ Anna Shepard Collections Care Specialist University of Minnesota Libraries Minneapolis MN (612) ...

Hi all, We have been experiencing some drastic changes in RH between our less-controlled rare materials reading room (RH can sometimes be as low as 24% during MN winters) and our environmentally controlled storage vaults for rare materials (lately between 50- 60% RH, which is a little high). Specifically, ...