Complex sentence: The curator, Jules Fourcade acquired many pieces of ironwork from Toulouse and under the direction of Robert Mesuret, from 1961, after several movements of the collections, the museum mainly specialises in archeology and became the Museum of Antiques of Toulouse.
Split into simpler sentences: The curator, Jules Fourcade acquired many pieces of ironwork from Toulouse. It was from 1961, under the direction of Robert Mesuret, after several movements of the collections, that the museum really specializes in archeology and becomes the Museum of Antiques of Toulouse.