File:Francesco Balsamo - Spirogyra weberi e Spirogyra orthospira.jpg
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Summary
[edit]DescriptionFrancesco Balsamo - Spirogyra weberi e Spirogyra orthospira.jpg |
Italiano: Disegno di Francesco Balsamo della Spirogyra weberi, Kütz e della Spirogyra orthospira, Nägeli.
Le due specie sono state disegnate alla camera lucida con ingrandimenti lineari di 80 a 1000, adoperando i sistemi obiettivi Prazm. a 4 lenti. Della S. weber è visibile il filamento vegetativo (fig. 10) e gli articoli dello stesso in fruttificazione (fig. 11). Della S. orthospira sono raffigurati il filamento vegetativo con cellule in via di segmentazione (fig. 12) e due filamenti in coniugazione (fig. 13). |
Date | |
Source | Francesco Balsamo (1885), Sulla Storia naturale delle Alghe di acqua dolce del Comune di Napoli, in Atti Acc. Sc. Fis. Mat. e Nat. Soc. R. Napoli, I, ser. 2, nº 14, Napoli, 1888, p. 84, tav. I |
Author | Disegno di Francesco Balsamo (1850-1922), inciso e litografato da Alfonso Serino |
Licensing
[edit]Public domainPublic domainfalsefalse |
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:29, 18 January 2020 | ![]() | 2,269 × 2,665 (1.36 MB) | Giwiller (talk | contribs) | {{Informazioni file |Descrizione = ''Spirogyra weberi'' e ''Spirogyra orthospira'' disegnate alla Camera lucida da Francesco Balsamo e incise e litografate da A. Serino |Fonte = Sulla Storia naturale delle Alghe di acqua dolce del Comune di Napoli, in Atti R. Acc. Sc. Fis. Mat. e Nat., I, ser. 2, nº 14, Napoli, 1885, p. 84, tav. I |Data = 1885 |Autore = Francesco Balsamo |Licenza = |Detentore copyright = |EDP = |Altre versioni = }} |
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Camera manufacturer | Canon |
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Camera model | MP270 series |
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Horizontal resolution | 600 dpi |
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File change date and time | 18:23, 18 January 2020 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 18:15, 18 January 2020 |
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