Uploaded December 2015 | Updated September 2026, 2 days ago

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How to flatten folded old or historical photograph (silver gelatin) in a correct and effective method using humidification.
Materials used:
at 0:04 ---- Distilled water
Acid-free carton 3m
at 0:26 ----- Acid-free carton as well
at 0:49 ----- Reemay® (acid-free, random-spunbonded 100% polyester)
at 1:18 ----- Melinex® (Polyester Film) just to keep the humidity as long as possible
at 1:24 ----- Just lightweights
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