Question

What is the best reason for adding this picture to Ship's Chronometer from HMS Beagle?

Answer 1

to help the reader understand Harrison’s chronometer better is the answer to this question

Answer 2

The best reason was to to help the reader understand Harrison’s chronometer better. Remember something important from the viewpoint of the British: They were very concerned for how they could make clocks that kept very good time as long as they stayed perfectly still but not when they were shaken about, and particularly not on board a rolling ship. Harrison was very interested on that and his discoverings were a milestone into ship's chronometers. The picture added helps the people to appreciate what has been accomplshed by the work of Harrison