64-gun ship

View of Rochefort harbour, by Joseph Vernet, showing a 74-gun and a 64-gun moored side by side.

The 64-gun ship of the line was a type of two-decker warship defined during the 18th century, named after the number of their guns. 64-guns had a lower battery of 24-pounders and an upper battery of 12-pounders. Heavier variants with 18-pounders on the upper deck also existed.[1]

  1. ^ Troude (1867), p. 28.