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Faili:Davisson and Germer.jpg

Davisson_and_Germer.jpg ‎(piseli 334 × 339, saizi ya faili: 24 KB, aina ya MIME: image/jpeg)

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Muhtasari

Clinton Joseph Davisson (left; 1881-1958) and Lester Halbert Germer (right; 1896-1971) in 1927.

Author unknown, the photo was first published in 1927 (more than 70 years ago)

Hatimiliki

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.

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depicts Kiingereza

Lester Germer Kiingereza

Historia ya faili

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Tarehe/SaaPicha ndogoVipimoMtumiajiMaelezo
sasa hivi10:13, 17 Februari 2006Picha ndogo ya toleo la 10:13, 17 Februari 2006334 × 339 (24 KB)ElectronClinton Joseph Davisson (left; 1881-1958) and Lester Halbert Germer (right; 1896-1971) in 1927. Author unknown, the photo was the first published in 1927 (more then 70-ty years ago)

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