The Parliamentary Gazetteer of England and Wales
Same as Fullarton 1845, but the railway past Colchester heading into Suffolk (opened 1846) is now drawn more realistically than before - suggesting this is a later depiction, and hence 1846 rather than 1845.
Scale correct at 10 miles = 37mm, or 6.8 miles/inch, or 1:435,000.
The New & Comprehensive Gazetteer of England & Wales was first published by J Bell in 1833, and re-issued in 1834, 35, 36 & 37. It was then The Parliamentary Gazetteer of England and Wales from 1840 to 1849.