File:Petzval Strouhal Jarnik.jpg
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Petzval_Strouhal_Jarnik.jpg (790 × 349 pixels, file size: 69 KB, MIME type: image/jpeg)
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[edit]DescriptionPetzval Strouhal Jarnik.jpg |
Català: D'esquerra a dreta: József Miksa Petzval (1807-1891), Vincenc Strouhal (1850-1922) i Vojtěch Jarník (1897-1970), científics txecoslovacs
English: From left to right: József Miksa Petzval (1807-1891), Vincenc Strouhal (1850-1922) i Vojtěch Jarník (1897-1970), Czechoslovakian scientists |
Date | |
Source | Gymnázium Václava Hlavatého, Louny: https://www.glouny.cz/matematika/mat_sem/priklady/jarnik.htm |
Author | Servei postal Txecoeslovac |
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[edit]Public domainPublic domainfalsefalse |
According to the Czech Copyright Act, this work is in the public domain.
(Law No. 121/2000, Article 3, Section a) “Protection pursuant to this Act shall not apply to
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:07, 1 February 2021 | 790 × 349 (69 KB) | Ferran Mir (talk | contribs) | Uploaded a work by Servei postal Txecoeslovac from Gymnázium Václava Hlavatého, Louny: https://www.glouny.cz/matematika/mat_sem/priklady/jarnik.htm with UploadWizard |
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