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information National Archives facilities in New York City, Boston, Philadelphia, and Pittsfield and the Kennedy and Roosevelt Libraries are closed on January 27.

information Weather Update:  In the event of severe weather, the National Archives facilities may be closed or open later in the day. Check our operating status, Facebook pages, and Twitter. Keep informed about our Washington, DC, area operating status through the OPM website or our status line 301-837-0700.

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information National Archives facilities in New York City, Boston, Philadelphia, and Pittsfield and the Kennedy and Roosevelt Libraries are closed on January 27.

information Weather Update:  In the event of severe weather, the National Archives facilities may be closed or open later in the day. Check our operating status, Facebook pages, and Twitter. Keep informed about our Washington, DC, area operating status through the OPM website or our status line 301-837-0700.

Edison's Light Bulb PatentToday's Document January 27th: Edison's Light Bulb Patent

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