1. X.1067, 2(519) Reference (shelfmark): X.1067, 2(519) Title: Electro-magnetic apparatus and theodolite; Froment. Photographer: Ferrier, Claude-Marie Scope & Content: Close view of the two pieces of scientific equipment by the French manufacturer Froment. Collection Area: Visual Arts Languages: Not applicable Date Range: 1851 Extent: 1 item