pot-de-fer
...that the pot-de-fer was the first metal cannon?
...that the <i id="mwFoA"><b id="mwFoE"><a href="./Pot-de-fer" id="mwFoI" rel="mw:WikiLink" title="Pot-de-fer">pot-de-fer</a></b></i> <i id="mwFoM">(pictured)</i> was the first metal <a href="./Cannon" id="mwFoQ" rel="mw:WikiLink" title="Cannon">cannon</a>?