Conservatoire national des arts et métiers, 60, rue Réaumur, Paris 3e.
+33 (0) 1 53 01 82 00.
Arts et Métiers.
10am-6pm ; late opening on Thursdays until 9:30pm. Closed on Mondays, on 05.1 and on 25.12
-18s and -26s (E.U residents) free
No entry fee on the First Sunday of each month, and on Thursday as from 6pm.