The first steel industry that appeared in the country, which for over two centuries produced cannons thundered the enemies of Spain on behalf of His Catholic Majesty. Few factories have survived both, which speaks of its importance for the maintenance of an empire which in turn jealously guarded secret facilities that housed La Cavada . From 1627 pieces produced commercial or industrial use, hundreds of thousands of bullets of all calibers and how could it be otherwise, cannons, guns 26000! Today only the Museum of the Royal Ordnance Factory La Cavada and Friends Association to remind us that it was a reality of the production process more typical of the industrial revolution:

As you can see the maintenance of a strong war machine required a series of natural conditions, the sacrifice of them and a huge effort from both a financial and human at the time. And in those coastal forts and Royal Navy were reflected recent technological advances of the time, were the crown jewels, worth an empire.