Milestones Map

Norden map 1610 here

Gascoyne map 1699 here

Martyn map 1748 here

Camelford and Bude 1813 OS Map here

Camelford and Bude 1813 OS Map St Tudy area here

OS 1880 here

Harvard University   A new and accurate map of the county of Cornwall 1748 ; from an actual survey here  Zoom in for St Tudy detail.

The National Library of Scotland has made the Ordnance Survey map collection available to search online. Herehttps://maps.nls.uk/os/