Français : Mesure d'un base géodésique dans le Grand-Marais en Suisse avec l'appareil conçu par Carlos Ibáñez e Ibáñez de Ibero et réalisé à Paris par les frères Léon et Émile Brunner. Cette règle géodésique est calibrée sur le mètre.
The copyright in an individual photograph lasts for 70 years from the end of the calendar year in which the author died. This photograph was taken in 1880, 140 years ago. It shows the Swiss geodetic commission measuring a baseline with Ibáñez apparatus. Carlos Ibáñez e Ibáñez de Ibero had devised this instrument, which was constructed in Paris by Léon and Émile Brunner.
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Mesure d'une base géodésique dans le Grand-Marais en 1880.
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Carlos Ibáñez de Ibero
Émile Brunner
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image/jpeg
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16acdafbfb00241c21abff7de39c98d92301490a
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413,002 byte
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width
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