Sea clocks

Sea clocks
About this book
This is the story of John Harrison, an Englishman, who worked tirelessly for more than forty years to create a perfect sea clock.
Details
- OL Work ID
- OL16027461W
Subjects
MeasurementLongitudeChronometersClock and watch makersHistoryJuvenile literatureClocks and watchesBiographyInventorsInventors, juvenile literature