Français : Panneau mural d'une école française de la fin du XIXème siècle (1892). Utilisé jusque dans les années 60 du XXème siècle. Tableau du système métrique, par Léon Vaquez.
English: A vintage (end of 19th century) school display. Every school in France had a collection of this kind of posters, until the 1960's. Here, the metric.
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