<div class="fn value">
Unknown</div>
circa 1850 <div style="display: none;">date QS:P571,+1850-00-00T00:00:00Z/9,P1480,Q5727902</div>
<i>Neptunia</i> n°263, septembre 2011; <cite class="book" style="font-style:normal" id="Reference-Lafay-1850"><a href="//commons.wikimedia.org/w/index.php?title=Jules_Joseph_Lafay&amp;action=edit&amp;redlink=1" class="new" title="Jules Joseph Lafay (page does not exist)"> Lafay, Jules Joseph</a> (1850)      <i> <a rel="nofollow" class="external text" href="https://books.google.ch/books/about/Aide_m%C3%A9moire_d_artillerie_navale.html?id=E8cuvFyycWAC&amp;redir_esc=y">Aide-mémoire d'artillerie navale</a></i>, J. Corréard  <small></small></cite>