The British Library has a new exhibition on “Maps and the 20th Century: Drawing the Line” (through March 1, 2017).
I was able to visit it last week and highly recommend it. One of the surprises for me was seeing the original of Harry Beck’s London Underground map, which I’d only previously seen in print or online.
There’s a great story from 2013 of Beck getting a famous London blue historical plaque here.
Here he is holding the original, which as you can see is surprisingly small:
Many thanks to Tom Harper, lead curator of Antiquarian Maps at the BL, for giving a guided tour!