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Hemispheric Maps displayed at Branner Library, 3/1-4/23, 2014

Planisfero del mondo vecchio, 1691?

Hemispheres in cartography refer to slicing the globe into spherical halves. Generally, hemispheres we see in maps are Northern or Southern, where the equator is the dividing line and Eastern and Western, or where the prime meridian, East and West of 180˚ longitude, bisects the two. 

A collection of six maps from Glen McLaughlin's Map Collection of California as an Island, give you a peek at a few hemispheric maps published between 1683 and 1807 and show how hemispheres were sliced differently on maps between the 17th and 19th century. Visit Branner Library to view them in person. The exhibit will run from until April 23, 2014.

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