The battle formations of the fleets before the naval battle of Duins, 1639

Sheet with two representations of the battle orders of the States and Spanish fleets in the month of September preceding the Battle of the Downs between the Spanish fleet under the command of Antonio de Oquendo and the States fleet under Maarten Harpertsz. Tromp, 21 October 1639. Left: a map of the English coast, the Channel and part of the French coast, with the movements and position of the Dutch and Spanish fleets. Right: a view of the fleets off the coast, in the foreground a Triton with four sea horses. The two representations separated by an image of Minerva. Marked top right: No. B.