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Explore and Learn
  Explore and learn more about historical mapping


Genealogy and Maps
Many people today are interested in genealogy to understand not just where and when people lived, but also their lifestyles, surroundings and motivations. This often requires knowledge of old political boundaries, migration trends and historical social conditions. One important way to understand how one's ancestors fit into the landscapes of the past is to place them in space and time by using historical mapping. Read more...

Know your Place
Old maps can help us visualise where and how our ancestors lived
Family history does not rely solely on records of births, marriages and deaths, and one of the resources that is often underused, or ignored altogether, is maps. Old maps are historical records just as much as rate books or parish registers, and they deserve similar attention. You may have found a wonderful verbal description of the place where an ancestor lived or worked, but a map can instantly bring that portrayal to life and might help to pinpoint photographs. Read more...

What's in a name?
If you do an internet search for the word ‘Cassini’ you’ll probably come up with three main types of results: for a family of Franco-Italian mathematicians and cartographers; for a space mission to Saturn; and for a firm of historical map publishers. What’s the link? We’ll try to explain. Read more...

Keys and Legends
Over the years the Keys and Legends (the two terms are interchangeable) shown on the various Ordnance Survey mapping series have changed as the features in the landscape have evolved. Over time the most important features on a map reflected the spirit of the day. Read more...


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