The English region and the county of Yorkshire was subdivided into East North and West Ridings.
County Coordinator Vacant – previously Martin Lunn MBE FRAS…
Email: Survey Officer
Useful addresses
County Record Office
Museum Street, York YO1 2DS, England (Tel 01904 655631; Fax 01904 611631; http://www.york.gov.uk/learning/libraries/studies/index.html)
Survey of Astronomical History 