In addition to the use of improved charts,a system for determining longitude was finally perfected by John Harrison in 1763 by the development of a/an

Question

In addition to the use of improved charts,a system for determining longitude was finally perfected by John Harrison in 1763 by the development  of a/an

Quizplus · Accepted Answer

The system for determining longitude that was perfected by John Harrison in 1763 was the chronometer. The chronometer was a timepiece that could keep accurate time at sea, which allowed sailors to compare local time with the time at a known location, such as Greenwich, England. This enabled them to determine their longitude with much greater precision.

In Addition to the Use of Improved Charts,a System for Determining