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There are currently 23 purpose built Machine Vessel listed in Threedecks. Please use the ship search to see them all.
A Dutch national, Willem Meesters, was appointed to the Ordnance Board in 1690 and proposed the use of a watertight metal box fitted with a clockwork mechanism which acted as a detonator for the explosives. Around this were packed barrels of gunpowder and various old pieces of scrap metal and 'fireworks'. Some of his vessels were designed to explode with great violence, other to act as 'smoke vessels', producing thick clouds of blanketing smoke.