Preservation of the Declaration of Independence and the Constitution of the United States
Contributors: United States. National Bureau of Standards
Series: National Bureau of Standards circular -- 505
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; For sale by the Supt. of Docs. U.S. G.P.O.
Published: 1951
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: United States.; United States.; Manuscripts -- Conservation and restoration
Notes: "Issued July 2, 1951."