<p>
	<span id="result_box" lang="fr"><span>Un</span> <span>sextant</span> <span>est un instrument</span> <span>de mesure</span> <span>utilis&eacute;</span> <span>dans la navigation</span> <span>pour mesurer l&#39;angle</span> <span>entre le soleil</span> <span>ou une &eacute;toile</span> <span>et l&#39;horizon</span><span>.</span> <span>Il a &eacute;t&eacute; invent&eacute;</span> <span>en 1757</span> <span>comme une am&eacute;lioration</span>&nbsp;de l&#39;<a href="http://www.antiquites-en-france.com/antiquites/-/-/-/octants"><span>octant</span> <span>de</span> <span>Hadley</span></a><span>.</span><br />
	<span>Le sextant</span> <span>est g&eacute;n&eacute;ralement</span> <span>en laiton</span><span>, bien</span> <span>que quelques-uns</span> <span>peuvent &ecirc;tre trouv&eacute;s</span> <span>en argent ou en</span> <span>plaqu&eacute; or</span> <span>ou m&ecirc;me</span> <span>platine</span></span></p>