South East England
In the 10th Edition of Britannia we only get a South East England map, instead of the Essex map of the 9th Edition.
Displayed scale of 20 miles = 50.5mm, or 10.1 miles/inch, ie 1:635,000.
The Fairlop-Chigwell Loop (opened 1903) is shown, if rather hesitantly (a proposed line?).