Keywords: Arago, Jacques (colored).jpg Jacques Arago colored http //nla gov au/nla pic-an10042646 National Library of Australia 1839 Sixdeniers Alexandre Vincent 1795-1846 Maurin Nicolas Eustache 1799-1850 <gallery>File Arago Jacques jpg</gallery> PD-old-100 Jacques Arago Nicolas Eustache Maurin Alexandre-Vincent Sixdeniers |