East to the top.
First published in 1790, the Traveller's Companion was republished about 15 times up to 1828, so often that new plates had to be cut for the 1806 and 1822 re-prints. Further examples are available here.
Displayed scale of 10 miles = 18.5mm, or 13.7 miles/inch; actual scale 13.2 miles/inch, or 1:840,000.
When Cruchley bought Cary's plates in the the middle of the century, they were re-issued as Cruchley's Railroad Companion to England and Wales.