Learning about how clocks (chronometers) were created in Greenwich and how it wa…
Learning about how clocks (chronometers) were created in Greenwich and how it was primarily so that ships could navigate (which requires keeping accurate time) … At the prime meridian (where the Eastern and Western hemispheres meet) #vacayeurope2018
Learning about how clocks (chronometers) were created in Greenwich and how it was primarily so that ships could navigate…
Posted by Cindy Chebultz on Tuesday, July 31, 2018
