John Harrison: How a Carpenter and Clockmaker Changed Navigation
  By: Emily Guiney
 Physics 211, November 21, 2018
                   
                                                              
                                                                                                                                                                                               




Beginnings

 
Early Clock Designs


The Problems with Early Navigation  


                                       

https://en.wikipedia.org/wiki/John_Harrison
John Harrison 		                                        

    
The Quest to Measure Longitude

                                                                  
Chronometer Designs


Final Years and Legacy


Sources