For Your Historians/Cartographers: David Rumsey Historical Map Collection

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Link: David Rumsey Historical Map Collection

 

This site allows you to select a map from the collection and view it in the context of a modern map [overlay the old on the new and make the old semi-transparent for comparison]

 

Here showing a map of Ireland from 1790 on to of a Google Maps view:

 

http://i.snag.gy/OPmyL.jpg

 

Collection home page: David Rumsey Historical Map Collection | The Collection

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Update: Link: David Rumsey Historical Map Collection | August 19, 2013 - 5,359 New Maps Added

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Link: David Rumsey Historical Map Collection | Georeferencer

 

 

Posted on YouTube: 26^th September 2013.