Multimedia for Medici family: interior of bank owned by Medici family. Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and Web sites.
Pocket sextant used by Victorian explorers and surveyors. Semi-functional, it has all the pieces needed to shoot the sun. A sextant defined latitude. A clock longitude. Defining the angle of Sun and Stars with the horizon was a way to navigate and survey.