books.google.fr - As one of the oldest scientific institutions in the United States, the US Naval Observatory has a rich and colourful history. This volume is, first and foremost, a story of the relations between space, time and navigation, from the rise of the chronometer in the United States to the Global Positioning...https://books.google.fr/books/about/Sky_and_Ocean_Joined.html?hl=fr&id=DNwfG5hQ7-YC&utm_source=gb-gplus-shareSky and Ocean Joined
