|GunsGuns were before World War I obtained from Krupp in Germany, and when after the Great War the weaponsdivision of Krupp transferred to Bofors in Sweden, the navy followed and made most of her purchases there. The differing calibres caused logistical problems during the war.||The Dutch navy was relatively a small navy, but could rely on a large amount of technical expertise among its men. This resulted in innovations, some of which were even ahead of the larger navies. Some examples are among others the introduction of the Hazemeyer 40 mm AA-mount, the schnorkel to allow submarines to use their diesels while submerged and the periscope-antenna.|
|TorpedoesThe RNN had the tendency to buy equipment where it was best and cheapest, and this resulted in a wide variety of types, causing supply problems during the war.|
|MinesThroughout this century, the focus of the navy lay on guerrilla warfare at sea, and extensive minefields were a keyelement in this strategy.|
The most widely used weapon against submarines.
|AsdicElectronic devices to detect submerged submarines.|
Electronic devices meant to detect aircraft and surface ships at a distance.
The eyes of the fleet, carried on board the warships and deployed when necessary.