Fail:Davisson and Germer.jpg

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Klõps ikoonil viib faili leheküljele Wikimedia Commonsis.
Allikas: Vikipeedia

Davisson_and_Germer.jpg ‎(334 × 339 pikslit, faili suurus: 24 KB, MIME tüüp: image/jpeg)

See fail ja sellest kastist allapoole jääv kirjeldus pärinevad kesksest failivaramust Wikimedia Commons. Faili lehekülg Commonsis Faili lehekülg Commonsis

Lühikirjeldus

Kirjeldus
English: Clinton Joseph Davisson (left; 1881-1958) and Lester Halbert Germer (right; 1896-1971) in 1927, physicists who performed the davisson-Germer experiment in 1923-1927 at Bell Labs, that demonstrated the wave nature of matter theorized by Louis de Broglie in 1924.
Kuupäev first published in 1927
Allikas Appears in Electronics magazine, McGraw-Hill Co., New York, Vol.8, No.9, September 1935, p.25 without attribution. This publication's copyright would have been renewed in 1963. The Online Books record of copyright renewals for Electronics lists no renewals. Therefore it was not renewed and is in the public domain
Autor Unknown

Litsents

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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Public domain
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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Pealdised

Lisa üherealine seletus sellest, mida fail esitab
Clinton Davisson and Lester Germer, of the Davisson-Germer experiment

Selles failis kujutatud üksused

kujutab

Lester Germer inglise

Faili ajalugu

Klõpsa kuupäeva ja kellaaega, et näha sel ajahetkel kasutusel olnud failiversiooni.

Kuupäev/kellaaegPisipiltMõõtmedKasutajaKommentaar
viimane17. veebruar 2006, kell 13:13Pisipilt versioonist seisuga 17. veebruar 2006, kell 13:13334 × 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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