Whilst the original maps can be viewed at up to 6400% these maps below are low resolution (50%) as they are only intended to accurately position parishes etc within the county.
There is a finding aid here
1. Main section
2. Lines up with bottom of section 1, AGY is above the yellow county line
3/4 Line up to the right of section 1
This map is extracted from:
Kain, R.J.P., Oliver, R.R., Historic Parishes of England and Wales: an Electronic Map of Boundaries before 1850 with a Gazetteer and Metadata [computer file]. Colchester, Essex: History Data Service, UK Data Archive [distributor], 17 May 2001. SN: 4348.
Acknowledgement is made to R.J.P. Kain, R.R Oliver, the Economic and Social Research Council, the History Data Service and the UK Data Archive.