French ship Inflexible (1752)
Inflexible was a 64-gun ship constructed by Pierre Morineau between 1751 and 1755 and launched from Rochefort in 1752. It was constructed during the period of shipbuilding between the conclusion of the War of Austrian Succession (1748) and the commencement of the Seven Years' War (1755).
Source: Wikipedia — French ship Inflexible (1752) (CC BY-SA 4.0)