Key to map locations
1. Banbury
2. Basingstoke
3. Bath
4. Birmingham
5. Brighton
6. Canterbury
7. Dover
8. Dunstable
9. Gravesend
10. Harwich
11. Hastings
12. Isle of Man
13. Isle of Wight
14. London
15. Margate
16. Penzance
17. Portsmouth
18. Ramsgate
19. Salisbury Plain
20. Spithead (strait)
21. Stonehenge
22. Thames River (mouth)
23. Wellington
24. Wells
25. Windsor
26. Worcester