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Keywords from Image Description:
Poste BLUS Picquigny. watermark en Outdoor electrosemaphore scalped mast used with french Lartigue blocksystem Picquigny Amiens Boulogne fr Electrosmaphore mt tronqu du Block Lartigue BLUS de Picquigny Somme France Ligne Amiens Boulogne sur Mer own Alberever Picquigny Old style railway signals in France