This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Waldseemller map case . NIST technician Dana Strawbridge bolts the top frame of the map encasement to its base during test sealing of the encasement prior to shipping to the Library of Congress Credit NIST Disclaimer Any mention of commercial products within NIST web pages is for information only it does not imply recommendation