Jonathan Betts
· 10 obras en el catálogo
Obras
Marine Chronometers at Greenwich
Harrison Decoded

John Harrison and the Quest for Longitude
General History of Horology
The effect of dissolved O₂ on the efficiency of organic carbon burial
Josiah Emery's first lever watch
Josiah Emery, watchmaker of Charing Cross
The National Trust pocket guide to clocks

HARRISON
