MAKE A MEME View Large Image ChartersOfFreedom 022.jpg The original manuscript of the Declaration of Independence being carried into the NBS Chemistry Building on August 22 1951 The Declaration of Independence and the U S Constitution were brought to NBS to be sealed ...
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Keywords: ChartersOfFreedom 022.jpg The original manuscript of the Declaration of Independence being carried into the NBS Chemistry Building on August 22 1951 The Declaration of Independence and the U S Constitution were brought to NBS to be sealed in helium-filled glass enclosures to protect them against decay and insect damage The process started on August 22 and continued for a month while pure helium gas was allowed to flow through each enclosure for two weeks totally displacing the inside air National Institute of Standards and Technology 1951-08-22 National Institute of Standards and Technology The images in the ChartersOf Freedom Photographic Collection are in the public domain and are not subject to copyright in the United States However please pay special attention to the individual works to make sure there are no copyright restrictions indicated Individual works may require securing other permissions from the original copyright holder Use of the images from NIST Digital Collections is not restricted but a statement of attribution is required Please use the following attribution statement National Institute of Standards and Technology Digital Collections Gaithersburg MD 20899 PD-USGov National Bureau of Standards National Institute of Standards and Technology United States Declaration of Independence
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