HMS Alarm
...that the frigate HMS Alarm was the first ship of the Royal Navy ever to have a fully copper-sheathed hull?
...that the <a href="./Frigate" id="mwBn4" rel="mw:WikiLink" title="Frigate">frigate</a> <b id="mwBn8"><a href="./HMS_Alarm_(1758)" id="mwBoA" rel="mw:WikiLink" title="HMS Alarm (1758)">HMS <i id="mwBoE">Alarm</i></a></b> was the first ship of the <a href="./Royal_Navy" id="mwBoI" rel="mw:WikiLink" title="Royal Navy">Royal Navy</a> ever to have a fully <a href="./Copper_sheathing" id="mwBoM" rel="mw:WikiLink" title="Copper sheathing">copper-sheathed</a> hull?