Sun spot drawings made at the Georgetown College Observatory in 1850, September 20 to November 6
Washington, DC : s.n., 1898
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| Descrizione | Sun spot drawings made at the Georgetown College Observatory in 1850, September 20 to November 6 / by Father Benedict Sestini. - Washington, DC : s.n., 1898. - [1] p., [22] tavole non rilegate ; 32 cm |
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In testa al front.: Georgetown College Observatory. - Copia INAF OAPD : 2 esemplari contenuti in cartellina con etichetta; Sestini Benedetto Sj Disegni di macchie solari
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| ID scheda | 89260 |
| Permalink | https://opac.inaf.it/?ids=89260 |