File:SCOTT sémaphore (02).jpg
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Size of this preview: 400 × 599 pixels. Other resolutions: 160 × 240 pixels | 628 × 941 pixels.
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| Description |
Français : Radiotélégraphie SCOTT: Système de Communication Optique Tout Temps expérimenté vers 1898. Le capitaine Percy Scott améliora les systèmes radiotélégraphiques existants en plaçant une série de lattes comme pour un store vénitien devant une source lumineuse; lorsque l’opérateur appuie sur une touche les lattes tournent radialement à la lumière et donc l’expose, lorsqu’il relâche la touche la lumière est obscurcie. |
| Date | |
| Source | Amiral anglais Sir Percy SCOTT (1853 - 1924) |
| Author | Amiral anglais Sir Percy SCOTT (1853 - 1924) |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: picture manager bright. Modifications made by F1jmm.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:31, 24 May 2020 | | 628 × 941 (529 KB) | F1jmm (talk | contribs) | Uploaded own work with UploadWizard |
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- File:SCOTT HMS Scylla (02).jpg (file redirect)
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