File:Poste à galène.jpg
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Original file (2,206 × 2,875 pixels, file size: 1.24 MB, MIME type: image/jpeg)
Summary[edit]
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Français : Poste a galène pour l'écoute de la bande hectométrique et de la bande kilométrique; l'amplificateur BF est en deux étages en cascade (écouteur actionnant un micro au charbon par une même membrane). L'ondemètre est utilisé pour le réglage du poste/antenne. Le ticker est remplacé par l'ondemètre faiblement couplé qui hétérodyne la porteuse (et donne un semblant de réaction). Ce poste a galène donne une image de la technique radioélectricité vers 1914. Utilisé pour: l'aviation et le maritime.
English: Poste has crystal for the listening of the hectometric band and the kilometric band; amplifier BF is in two stages in cascade (ear-phone actuating a microphone with coal by the same membrane). The wavemeter is used for the adjustment of the poste/antenne. The ticker is replaced by the slightly coupled wavemeter which heterodyne receiver the carrying one (and a pretence of reaction gives). This station has crystal gives an indication of the technique radioelectricity about 1914. Used for: aviation and maritime the
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| Source | Own work
Français : Plans fait avec model vers 1914 en mauvais état.
English: Plans fact with model by 1914 in poor condition.
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| Author | F1jmm |
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Licensing[edit]
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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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This image was uploaded in the JPEG format even though it consists of non-photographic data. This information could be stored more efficiently or accurately in the PNG or SVG format. If possible, please upload a PNG or SVG version of this image without compression artifacts, derived from a non-JPEG source (or with existing artifacts removed). After doing so, please tag the JPEG version with {{Superseded|NewImage.ext}} and remove this tag. This tag should not be applied to photographs or scans. For more information, see {{BadJPEG}}. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:34, 8 December 2012 | | 2,206 × 2,875 (1.24 MB) | F1jmm (talk | contribs) | Retouche photo, image lumineuse |
| 20:42, 4 March 2009 |  | 2,206 × 2,875 (976 KB) | F1jmm (talk | contribs) | sans bord | |
| 22:18, 14 April 2008 |  | 2,480 × 3,503 (725 KB) | F1jmm (talk | contribs) | {{Information |Description= Poste a galène pour l'écoute de la bande hectométrique et de la bande kilométrique; l'amplificateur BF est en deux étages en cascade (écouteur actionnant un micro au charbon par une même membrane). L'ondemètre est utili |
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