Nelson-class ship of the line
The Nelson-class ships of the line were a class of three 120-gun first rates, designed for the Royal Navy as a joint effort between the two Surveyors of the Navy at the time, Robert Seppings and Joseph Tucker. Wikipedia
Length: 205 ft (62 m) (gundeck); 170 ft 10+1⁄8 in (52.073 m) (keel)