English: Picture of the old Sloane Physical Laboratory, at Yale University, as it stood on Library Street between 1882 and 1931, at the current site of Jonathan Edwards College.
Yale University Manuscripts & Archives states that this image is in the public domain.
Other versions
Reproduced without copyright notice or attribution in Lynde P. Wheeler, Josiah Willard Gibbs: The History of a Great Mind, (New Haven: Yale University Press, 1951), p. 86.
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.